write an essay on life cycle

The Life Cycle of a Star Essay

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Introduction

Birth of a star, mature and ageing stars, death of a star.

For millenniums, stars have fascinated the human race. In medieval times, these heavenly bodies were thought to possess mystical powers and some civilizations even worshiped them. This supernatural view was caused by the lack of information on the true nature of stars. Modern science has enabled man to study stars and come up with scientific explanations of what they are and why they shine. Astronomers in the 20th century have been able to come up with a credible model of the entire life cycle of stars.

Green and Burnell (2004) state that the life cycle of a star takes place over a timescale that appears infinitely long to human beings. Astronomers are therefore unable to study the complete life cycle of stars since the changes occur at a very slow rate to be observed. The evolutionary pattern of stars is therefore deduced by observing their wide range at different stages of their existence. This paper will set out to provide a detailed description of the life-cycle of a star.

Stars are born from vast clouds of hydrogen gas and interstellar dust. This gas and dust clouds floating around in space are referred to as a nebula (NASA2010). Nebulas exist in different forms with some glowing brightly due to energizing of the gas by previously formed stars while others are dark due to the high density of hydrogen in the gas cloud.

A star is formed when the gas and dust making up the nebula start to contract due to their own gravitational pull. As this matter condenses due to gravitational pull, the gas and dust begin to spin. This spinning motion causes the matter to generate heat and it forms a dull red protostar (Krumenaker, 2005).

When the protostar is formed, the remaining matter of the star is still spread over a significant amount of space. The protostar keeps heating up due to the gravitational pressure until the temperature is high enough to initiate the nuclear fusion process (NASA, 2010). The minimum temperature required is about 15 million degrees Kelvin and it is achieved in the core of the protostar. The nuclear fusion process uses hydrogen as fuel to sustain the reaction and helium gas is formed from the fusion of the hydrogen nuclei.

At this stage, the inward pull of gravity in the star is balanced by the outward pressure created by the heat of the nuclear fusion reaction taking place in the core of the star (Lang, 2013). Due to this balance, the star is stable and because of the nuclear fusion, considerable heat and a yellow light is emitted from the star, which is capable of shining for millions or even billions of years depending on its size.

The newly formed star is able to produce energy through nuclear fusion of hydrogen into helium for millions to billions of years. During the nuclear fusion process, the heavier helium gas sinks into the core of the star. More heat is generated from this action and eventually, the hydrogen gas at the outer shell also begins to fuse (Krumenaker, 2005).

This fusing causes the star to swell and its brightness increases significantly. The closest star to the Earth is the Sun and scientists predict that it is at this stage of its life cycle. The brightness of a star is directly related to its mass since the greater the mass, the greater the amount of hydrogen available for use in the process of nuclear fusion.

A star dies when its fuel (hydrogen) is used up and the nuclear fusion process can no longer occur. Without the nuclear reaction, the star lacks the outward force necessary to prevent the mass of the gas and dust from crashing down upon it and consequently, it starts to collapse upon itself (Lang, 2013). As the star ages, it continues to expand and the hydrogen gas available for fuel is used up.

The star collapses under its own weight and all the matter in the core is compressed causing it to be being heated up again. At this stage, the hydrogen in the core of the star is used up and the star burns up more complex elements including carbon, nitrogen, and oxygen as fuels. The surface therefore cools down and a red giant star, which is 100 times larger than the original yellow star, is formed. From this stage, the path followed in the cycle is determined by the individual mass of a star.

Path for Low Mass Stars

For low mass stars, which are about the same size as the Sun, a helium fusion process begins where the helium making up the core of the star fuses into carbon. At this stage, a different heating process from the original hydrogen nuclear fusion process occurs. Al-Khalili (2012) explains that due to the compression heat, the helium atoms are forced together to make heavier elements.

When this occurs, the star begins to shrink and during this process, materials are ejected to form a bright planetary nebula that drifts away. The remaining core turns into a small white dwarf star, which has an extremely high temperature. The white dwarf is capable of burning for a few billion years but eventually it cools. When this happens, a black crystalline object referred to as a black dwarf is formed.

Path for High Mass Stars

For high-mass stars which are significantly bigger than the Sun, the carbon produced from helium fission fuses with oxygen. More complex reactions occur and eventually an iron core is formed at the center of the star. Since this iron does not fuel the nuclear fission process, the outward pressure provided by the previous nuclear process does not occur and the star collapses.

The collapse leads to a supernova explosion. Green and Burnell (2004) describe a Supernova as the “explosive death of a star” (p.164). During this explosion, the star produces an extreme amount of energy, some of which is carried away by a rapidly expanding shell of gas. The exploding star attains a brightness of 100 million suns although this amount of energy release can only last for a short duration of time.

For stars that are about five to ten times heavier than the sun, the supernova is followed by a collapse of the remaining core to form a neutron star or pulsar.

As the name suggests, neutron stars are made up of neutrons produced from the action of the supernova on the protons and electrons previously available in the star (Krumenaker, 2005). These stars have a very high density and a small surface area since their diameter stretches for only 20km (Al-Khalili, 2012). If the neutron star exhibits rapid spinning motion, it is referred to as a pulsar.

For stars that are 30 to 50 times heavier than the Sun, the explosion and supernova formation lead to the formation of a black hole. In this case, the core of the star has a very high gravitational pull that prevents protons and neutrons from combining.

Due to their immense gravitational pull, black holes swallow up objects surrounding them including stars and they lead to a distortion of the space. Parker (2009) observes that the gravity of the black hole is so strong that even light is unable to escape from this pull. The only substance thing that black holes emit is radiation mostly in the form of X-rays.

This paper set out to provide an informative description of the life cycle of a star. It started with nothing but modern astronomy has made it possible for mankind to come up with a convincing sequence for the life cycle of a star. The paper has noted that all stars are formed from a nebula cloud.

It has revealed that the life expectancy of stars can vary from a million to many billions of years depending on their mass. A star begins to die when it runs out of hydrogen and the fusion reaction can no longer occur. The paper has also demonstrated that the death of a star is dependent on its mass. If a star is the size of the Sun, it will die off as a white dwarf while if it is significantly bigger, it will have an explosive death as a supernova.

Al-Khalili, J. (2012). Black Holes, Wormholes, and Time Machines . Boston: CRC Press.

Green, S.F., & Burnell, J. (2004). An Introduction to the Sun and Stars . Cambridge: Cambridge University Press.

Krumenaker, L. (2005). The Characteristics and the Life Cycle of Stars: An Anthology of Current Thought . NY: The Rosen Publishing Group.

Lang, R.K. (2013). The Life and Death of Stars . Cambridge: Cambridge University Press.

NASA. (2010). The Life Cycles of Stars: How Supernovae Are Formed . Web.

Parker, K. (2009). Black Holes . London: Marshall Cavendish.

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• Heavenly Bodies
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• Supernova Stars
• How do Solar Flares Affect Our Daily Communication and What Can be Done to Prevent Issues
• Europa Exploration: Exobiology
• Chicago (A-D)
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IvyPanda. (2018, December 19). The Life Cycle of a Star. https://ivypanda.com/essays/the-life-cycle-of-a-star/

"The Life Cycle of a Star." IvyPanda , 19 Dec. 2018, ivypanda.com/essays/the-life-cycle-of-a-star/.

IvyPanda . (2018) 'The Life Cycle of a Star'. 19 December.

IvyPanda . 2018. "The Life Cycle of a Star." December 19, 2018. https://ivypanda.com/essays/the-life-cycle-of-a-star/.

1. IvyPanda . "The Life Cycle of a Star." December 19, 2018. https://ivypanda.com/essays/the-life-cycle-of-a-star/.

Bibliography

IvyPanda . "The Life Cycle of a Star." December 19, 2018. https://ivypanda.com/essays/the-life-cycle-of-a-star/.

Essay on Bicycle

500 words essay on bicycle.

A bicycle is a useful vehicle that helps us reach a destination without polluting the environment. It is composed of steel and has two wheels. In addition, it has got a seat and handle with two pedals and also a bell. Some bicycles have a carrier while some don’t. It is a popular choice amongst poor people and students . Essay on bicycle will help us understand its importance.

Importance of Bicycle

Bicycles have become even more important in recent times. While they have been offering us many advantages for a long time, they are very vital now. It is because of the rate at which pollution is growing in the world, they offer a greener way to commute.

In other words, bicycles do not require any petrol or diesel which harms our atmosphere. Further, it does not leave a carbon footprint as well. Thus, it is a great choice for everyone especially those who are environment-friendly.

After that, we see that bicycles do not possess the potential to harm anyone, unlike bikes, cars and buses. If you ride a bicycle, you are less likely to hurt someone or get in an accident as compared to ones who ride bikes or drive cars.

Most importantly, bicycles are great for our health. There are numerous benefits which cycling offers to ensure a healthy life. It is not only a great alternative to gym workouts but also helps prevent cardiovascular diseases .

Therefore, bicycles help to preserve our health. Similarly, they do not harm the environment. Moreover, they are also very beneficial as we can go through narrow roads with a bicycle which we cannot do with bikes or cars.

I have a bicycle which is red and black in colour. My father gifted it to me on my birthday and it is my most cherished present. The name of my bicycle is Turbo Thunder and it has many interesting features.

It comes with different gears and a basket as well. Moreover, it also has a bottle holder and a lock. I cycle every evening with my friends from the neighbourhood. It is very liberating to me to be able to cycle in the pleasant weather without any care.

My father ensures that I always wear my protective gear while cycling to prevent any injuries. I have decorated my cycle with stickers as well to make it more personalized. In addition, I go to my coaching classes on my bicycle only.

Therefore, I love my bicycle and I wish to keep it with me even after growing up. As cycling is good for the environment and our health, I plan to keep cycling for a long time to lead a healthy life and make the environment clean.

Get the huge list of more than 500 Essay Topics and Ideas

Conclusion of the Essay on Bicycle

To sum it up, bicycles are great in every aspect, whether it is regarding our health or the health of nature. Moreover, it is also not heavy on the pocket. With the world getting polluted at a faster rate day by day, it is essential for us to switch to bicycles for a healthier life and greener future.

FAQ of Essay on Bicycle

Question 1: What is the importance of a bicycle?

Answer 1: Bicycles are very important as they offer us many health benefits if we cycle regularly. In addition to that, it serves as a great workout session. Most importantly, they are great for the environment as they do not pollute it.

Question 2: Who invented the bicycle?

Answer 2: Karl von Drais was a German who invented the first bicycle. He developed it and named it the ‘swiftwalker’ which hit the road in the year 1817. The early bicycle came with no pedals and the frame was a wooden beam. It has two wooden wheels with irons rims and leather-covered tires.

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IELTS Writing Task 1 Essay: The Life Cycle of a Frog

Updated On Oct 05, 2023

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Introduction

The Writing module of IELTS is divided into two parts – Task 1 and Task 2. Task 2 is the same for both IELTS Academic and IELTS General, and requires the candidate to write an essay.

On the other hand, Task 1 is different for the two types of exam. While for IELTS Academic, it is report writing based on graphs, charts, tables, diagrams and maps, for IELTS General, it is letter-writing.

Here, we have provided a sample answer with a report plan for the writing task 1 question – the life cycle of frogs. In your  IELTS Writing Task 1  essay, you should:

• Describe the different stages of the frog’s life cycle in chronological order.
• Explain how the frog changes at each stage.
• Use clear and concise language.
• Support your claims with evidence from the diagram or other sources.

A sample answer for a Writing Task 2 essay is important because it can help you understand the requirements of the task, learn how to organize your essay, improve your writing skills and get an idea of the expected level of performance and band score.

Before going through the sample answer to learn the way the answer for the life cycle of a frog is written, check out the  Academic Writing Task 1 Tips, Strategies and Criteria  to solve this type of question.

Sample Answer 1

The diagram  demonstrates  how a frog  evolves  throughout its life cycle from egg to adult.

Overall ,  it is evident  that the process is divided into six separate stages,  initiating  with the production of eggs in the water and  culminating  with the maturation of a frog.

The frogspawn-like eggs that float on the water’s surface  represent  the first stage. After the frogspawn hatches from the embryo, the little tadpole emerges as the next stage. The little tadpole has a long tail and a small body at this stage in its life cycle. Next, the tadpole develops over time, as shown in three small steps, lengthening its tail and increasing the size of its body. Then, to prepare the tadpole for its future existence on land, the legs start to form  simultaneously .

The tadpole  subsequently  begins to transition into a baby frog with a broader mouth, a shorter tail, and larger legs, despite continuing to live in water.  Gradually , the frog gains maturity until it is ready to leave the water and walk onto land.  Steadily , the tadpole frog loses its tail when on the ground and begins to breathe air.  In this way , the life cycle for this frog is complete.  Eventually , the adult frog needs to locate a mate to lay eggs and the lifecycle will restart for another frog to be born.

Sample Answer 2

The diagram illustrates the progressive transformation of a frog from its initial stage as an egg to its mature adult form.

In summary, it’s clear that this process consists of six distinct phases, commencing with the laying of eggs in the water and concluding with the full development of a mature frog.

The first stage is represented by frogspawn-like eggs that float on the water’s surface. Once these eggs hatch, they give rise to small tadpoles in the subsequent stage. At this point in their life cycle, tadpoles possess elongated tails and diminutive bodies. Subsequently, the tadpoles undergo a series of three gradual changes, during which their tails lengthen, and their bodies grow larger. Simultaneously , the formation of legs commences, preparing the tadpoles for a future existence on land.

The tadpoles then progress into baby frogs, characterized by broader mouths, shorter tails, and more developed legs, all while still inhabiting the water. As time passes, these frogs  mature  until they are ready to leave the water and venture onto land. As they do so, their tails gradually disappear, and they begin to breathe air. In this manner, the life cycle of these frogs is completed. Eventually, the adult frogs seek out mates to lay eggs, and the life cycle begins anew, giving rise to another generation of frogs.

Following are the vocabulary words found in the Sample Answer 1:

Demonstrates (verb)

• Meaning:  shows clearly by one’s actions
• Example : She demonstrated her skills by playing a complex piece of music on the piano.

Evolves (verb)

• Meaning:  develops gradually
• Example : The way we work has evolved over the years, with more and more people working remotely.

Overall (adjective)

• Meaning:  considering all aspects or factors
• Example : The overall impact of the changes was positive.

Initiating (verb)

• Meaning:  starting something
• Example : The government is initiating a new program to help young people find jobs.

Culminating (verb)

• Meaning: r eaching a peak or climax
• Example : The conference culminated in a gala dinner.

Represent (verb)

• Meaning :to stand for or symbolize something
• Example : The red, white, and blue colors represent the American flag.

Simultaneously (adverb)

• Meaning:  at the same time
• Example : The two events happened simultaneously.

Subsequently (adverb)

• Meaning:  happening after something else
• Example : The company made a loss in the first quarter, but subsequently, it made a profit.

Gradually (adverb)

• Meaning:  happening or changing slowly over a period of time
• Example : The temperature gradually increased throughout the day.

Steadily (adverb)

• Meaning : in a regular and consistent way
• Example : The company’s sales have been steadily increasing over the past few years.

Eventually (adverb)

• Meaning:  after a long time
• Example : The team eventually won the game.

Evident (adjective):

• Meaning:  Clearly seen or understood; obvious.
• Example : It was evident that she had put a lot of effort into her presentation.

Embryo (noun):

• Meaning : An early stage of development before birth or hatching.
• Example : The embryo of the idea soon grew into a fully-fledged project.

Mature (verb/adjective):

• Meaning (verb):  To develop and reach a fully-grown or ripe state.
• Example : It takes several years for a fruit tree to mature and produce good fruit.

Venture (verb):

• Meaning : To dare to do something or go somewhere that may be dangerous or unpleasant.
• Example : They decided to venture into the dense forest to explore its mysteries.

Formation (noun):

• Meaning:  The process of being formed or created.
• Example : The geologist studied the rock formations in the area to understand their origins.

To conclude, when approaching an IELTS Writing Task 1 process diagram essay, follow these key tips such as analyzing the diagram thoroughly, structuring your essay logically, with an introduction, body paragraphs, and a conclusion, using precise vocabulary and action verbs, maintaining a neutral tone and stick to the facts, including relevant data from the diagram, and concluding by summarizing the main points.

Want to practice more Writing task 1 questions? 

Check Out Our  IELTS Writing Task 1 Academic Book!

Useful Links:

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• IELTS Writing Answer sheet
• IELTS map vocabulary

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The Fascinating Life Cycle of Low-Mass Stars

This essay is about the life cycle of low-mass stars, often called red dwarfs. It explains how these stars form from molecular clouds, ignite nuclear fusion, and enter a long-lasting main sequence phase where they steadily burn hydrogen. Unlike massive stars, low-mass stars do not become red giants but transition into a subgiant phase before shedding their outer layers to become white dwarfs. These remnants cool over billions of years. The essay also touches on the potential habitability of planets orbiting red dwarfs and their significance in the search for extraterrestrial life. Overall, it highlights the unique and extended evolutionary path of low-mass stars.

How it works

Across epochs, stars have ensnared human fascination, serving as luminous guides, enigmatic marvels, and subjects of scientific scrutiny. Amongst the multitude of stellar types, low-mass stars emerge as particularly enthralling due to their idiosyncratic life cycles and enduring existence. These diminutive stars, possessing masses less than approximately half that of our Sun, manifest markedly protracted lifespans and trace a distinctive evolutionary trajectory vis-a-vis their more substantial counterparts.

Low-mass stars, often denoted as red dwarfs, inaugurate their celestial odyssey akin to all stars: gestating within the dense enclaves of molecular clouds christened as stellar nurseries.

Gravitational forces orchestrate the collapse of these nebulous domains, instigating a fusion process wherein the central material undergoes a metamorphosis into a protostar. For a low-mass star, this embryonic phase unfurls at a measured pace, spanning tens of millions of years, in contrast to the swifter genesis observed in massive stellar entities. Once the core attains a temperature approximating 10 million degrees Kelvin, nuclear fusion ignites, propelling the star into the main sequence phase of its existence.

Throughout the main sequence phase, a low-mass star engenders hydrogen fusion into helium within its core, emitting radiant energy that sustains its luminosity and structural integrity. This epoch endures for epochs, spanning tens of billions to even trillions of years, far outstripping the main sequence durations observed in their more hefty counterparts. The crux of this protracted longevity lies in the star’s judicious exploitation of hydrogen fuel and its comparatively lethargic pace of nuclear fusion. Whereas our Sun is slated to endure approximately 10 billion years on the main sequence, a red dwarf of half the Sun’s mass could endure for upwards of 100 billion years.

As low-mass stars advance in age, they undergo metamorphoses that diverge starkly from the trajectories of their bulkier counterparts. Unlike their voluminous brethren that burgeon into red giants, low-mass stars maintain a modest stature and gradually deplete their hydrogen reservoirs. Upon the exhaustion of hydrogen within their cores, these stars lack the mass requisite to kindle the fusion of heavier elements such as helium within their cores. Instead, hydrogen fusion persists in a peripheral shell surrounding the core, prompting a slight expansion and cooling of the outer layers. This phase, dubbed the subgiant phase, though less overtly dramatic than the red giant phase observed in their weightier counterparts.

Inevitably, the star’s outer layers dissipate, leaving behind a dense core composed primarily of helium, christened as a white dwarf. Initially, these vestiges radiate intense heat but lack the nuclear reactions that once propelled them. Over the eons, white dwarfs will undergo a cooling and dimming metamorphosis, ultimately transmogrifying into black dwarfs, albeit the universe has yet to mature sufficiently for any black dwarfs to emerge.

An intriguing facet of low-mass stars resides in their potential for planetary habitability. Given their subdued luminosity and augmented stability relative to larger stars, their circumstellar habitable zones are much closer in proximity. This proximity proffers both opportunities and challenges for nascent life forms. Planets nestled within the habitable confines of a red dwarf could conceivably sustain liquid water and amenable conditions for eons, furnishing an auspicious milieu for the genesis of life. However, these planets are also susceptible to the vicissitudes of stellar flares and radiation that could imperil incipient life forms.

The exploration of low-mass stars and their life cycles is not solely an endeavor of scientific intrigue but also of existential import. Given their prodigious longevity, red dwarfs are poised to linger as some of the final embers aglow in the cosmic tapestry, affording a glimpse into the distant futurity of stellar metamorphosis. Their enduring presence and potential for harboring habitable worlds render them focal points in the quest for extraterrestrial life.

In summation, the life saga of low-mass stars serves as a testament to the kaleidoscopic diversity and enigmatic intricacies of stellar evolution. From their interminable sojourn in the main sequence phase to their eventual transmutation into white dwarfs, these celestial entities proffer an inimitable perspective on the cosmic machinations. Their propensity for fostering habitability and their enduring tenure render them objects of perennial interest in both astronomical inquiry and the pursuit of life beyond terrestrial confines. As humanity persists in its scrutiny of these celestial denizens, it garners not only insights into their essence but also a deeper reverence for the labyrinthine processes that govern the cosmos.

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The Fascinating Life Cycle of Low-Mass Stars. (2024, Jun 01). Retrieved from https://papersowl.com/examples/the-fascinating-life-cycle-of-low-mass-stars/

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IELTS Writing Task 1 Process: An overview, steps and tips

This task, every now and then, presents as a hindrance for test takers owing to its tricky and complicated series of steps within a process or cycle. This article, therefore, will show you a brief introduction of IELTS Writing Task 1 Process as well as steps and tips to ace the task.

1. An overview of IELTS Writing Task 1 Process 

Having no data or numbers shown, IELTS Task 1 Process is rather similar to IELTS Task 1 Map. However, instead of a map, this question type is in the form of a process with different steps or a cycle with diverse stages. There are a variety of possible types of process such as a natural process (e.g. water-made cycle), a manufacturing process, a system, etc.

If you are given a task of describing a process in your IELTS exam, it will be a series of pictures showing steps or stages of how a machine, a life-cycle of an animal or human, a phenomenon,etc. are made or how they work. 

To be specific, there are normally three types of process:

• Natural process: how a creature is born or a phenomenon is made (e.g. Life cycle of a frog, Process to form rain, etc.)

• Manufacturing process: how a man-made product is made (e.g. Produce coffee, cement, How glass containers and bottles are recycled, etc.)

• Object: how an object changed or how it works (e.g. the development of cutting tools in the Stone Age, etc.)

Your task, in IELTS Writing Task 1 Process is to report all key features and steps/stages in the process and cycle or to make comparisons in terms of an Object describing task. You will have around 20 minutes with at least 150 words written on this task. 

Practice now:  IELTS Writing Practice Test

2. Structure of IELTS Task 1 Process

It is strongly advised to still have a three-part IELTS Process report:

2.1. Introduction

In one or two sentences, you need to rewrite the process question in your own words (paraphrase) and assure these following key elements to be mentioned:

• Type of diagram (process-cycle)
• Main topic (a structure that is used to generate electricity from wave power)
• Type of process (manufacturing process)
• Time period (no time period)

e.g. The two diagrams show how electricity can be generated from the rise and fall of water caused by sea waves.

2.2. Overview

In this part, there are no detailed or elaborate descriptions or vocabulary required. In about 1-3 sentences, just give a general description of the process or cycle. You can base on these questions below to have an effective overview:

• How many stages are there in the process?
• What is the beginning and the end of the process?
• What is the raw material? What is the final result produced?
• Are there many changes? What is the most striking change? (for Object)

e.g. The process involves a structure which is mounted on the side of a cliff or sea wall. This structure consists of a large chamber. One end is open to the sea, and the other leads into a vertical column, which is open to the atmosphere. A turbine is installed inside this column and this is used to generate the electricity in two phases.

The body part, as usual, should be divided into two different paragraphs. You can separate the process by describing the first half in the first paragraph and the rest in the second paragraph.

With regards to describing an Object and how it changed, it is advisable to split the body part depending on periods of time given. 

e.g. Paragraph 1: Tool A – 1.4 million years ago

Paragraph 2: Tool B – 0.8 million years ago

Remember to describe all the features in detail but each paragraph should be only in three or four sentences in order not to go beyond the word and time limit. 

Let’s get started with our free  IELTS online test to pass the exam with your highest score.

3. Steps to write a high-scoring IELTS Writing Task 1 Process essay

3.1. step 1: analyse the process question given.

With the same format with all other types of IELTS Academic Writing Task 1 , IELTS Process question also provides candidates with following information:

• Description of the process

(e.g. The diagrams show a structure that is used to generate electricity from wave power.)

• Requirements

You should spend about 20 minutes on this task.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

3.2. Step 2: Find out main features in the process

Based on details of the process such as titles, labels or captions for each picture, you can identify the key characteristics of the process.

In addition, you can refer to these elements to identify the key features in the process:

• Linear or Cyclical Process

– Linear Process: the process happens as a flow with two different starting and ending places 

– Cyclical Process: the process happens as a circle going back to the starting place and the cycle repeats over and over again

• The starting and ending places
• Steps/Stages in the process
• Raw materials and final products

3.3. Step 3: Write your IELTS Writing Task 1 essay

Make sure you know well the structure of an IELTS Writing Task 1 report before starting to write:

• Paragraph 1: Introduction
• Paragraph 2: Overview
• Paragraph 3: 1st main features/steps
• Paragraph 4: 2nd main features/steps

4. Tips for IELTS Writing Task 1 Process

• Both active and passive forms should be used flexibly when reporting a process or cycle
• In terms of describing an object, comparisons to show the chances and differences overtime should be utilised.
• Don’t go beyond the word limit (at least 150 words) and time limit (about 20 minutes)
• Don’t give personal opinions while reporting the process
• Use present simple tense if there is no time period mentioned
• Try to use suitable words and phrases for IELTS Writing Task 1 Process to structure and link the process coherently.

5. Vocabulary for IELTS Writing Task 1 Process

Also, if you want to consult the sample template for IELTS Process, visit this: Sample Template For Cycle – Process IELTS Academic Writing Task 1

After this article, hope you can dominate IELTS Writing Task 1 with confidence. If you want to learn more about other aspects of the IELTS exam, please join us on our app  and website IELTS TEST PRO!

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IELTS Diagram: Introduction and Overview

For an IELTS diagram, you need an introduction and overall paragraph containing the main features of the diagram or process in your report. The overview is one of the most important parts of your report and a full overview is essential for a high band score.

The diagram below is of the life cycle of a frog. Life cycles and other cycles, such as the water cycle, are quite common diagrams to get in IELTS writing task 1. The other common type is a process which shows how something is made or how it works.

Introduction and Overview for IELTS Bar Chart

Introduction Paragraph

The introduction paragraph for most diagrams in IELTS is short. Don’t try to make it longer. All you need to do is paraphrase the description given above the diagram.

Overview Paragraph

This is the most important paragraph is all writing task 1 (academic). This means you should aim to have a full overview with stages well summarised. This isn’t just about the number of stages, but an overview of what the main stages are. And yes, you can use the words given in the diagram. The words are given for you to use.

Model Answers Click Below:

Introduction Options

• The diagram illustrates the stages in a frog’s life time.
• The diagram illustrates the different stages in the life of a frog.
• The diagram illustrates the phrases that a frog passes through during its life time.
• Overall, a frog passes through eight stages which start with adult frogs mating and eggs laid in the water from which tadpoles emerge. Tadpoles pass through a number of stages before becoming a froglet, a young frog and finally an adult frog, starting the life cycle again.

Note: this overview is complete. It gives a full summary of the key stages without going into detail. All the detail is then given in the body paragraphs.

Full Model Answer

The diagram illustrates the developmental phases that a frog passes through during its life time.

Overall, a frog passes through eight stages which start with adult frogs mating and eggs laid in the water from which tadpoles emerge. Tadpoles pass through three stages before becoming a froglet, a young frog and finally an adult frog, starting the life cycle again.

Initially, adult frogs mate and then the female frog lays eggs in the water, which are called frogspawn. Seven to ten days later, tadpoles emerge from the eggs which can swim and eat algae for food. Six weeks later, the tadpole grows and develop back legs. This development continues and nine weeks later it develops front legs. Its head and body also becomes more pronounced.

Twelve weeks after the tadpole stages, it becomes a froglet  which resembles a small frog. However, it still has a tail, although shorter than that of a tadpole. At this stage, it also develops pulmonary breathing which enables it to leave the water and breathe air on land. Over time, the froglet becomes a young frog and eventually, four years later, it is an adult frog ready to start the life cycle again.

Recommended Lessons

• Diagram Full Model Answer
• All Writing Task 1 Model Answers & Tips

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Hi Liz and other friends, feel free to give any feedback for my writing. Thanks in advance.

The given diagram explains the progression of a frog from the egg stage to the adult frog stage, step by step. Overall, the figure includes 7 main processes in total and covers all the stages of its transformations on land as well as under water.

The life of a frog begins as eggs and develops into embryos, which looks like tiny tubes. As the next step, it further transforms into a tadpole, which consists of three various types of slight changes. After that point, frogs’ front legs begin to grow, and afterwards, the final stage of its growth under water takes place which is called “the start of pulmonary breathing” where the respiratory system of a frog develops.

There is one more development prior to the completely grown frog, which is the tadpole frog, taken place on land while the previous steps are happening under water. After passing through all the stages, it finally develops into an adult frog with the complete figures and organs.

The diagram illustrates the different stages involved in the life cycle of a frog. Overall, frogs experience 7 transformation phases. The first 4 phases occurring inside the water (from an egg to an embryo, then a tadpole and developing front legs) while the last 3 happen on land (start of pulmonary breathing, tadpole frog and adult frog). During the initial phase, eggs are laid inside the water near the surface. Next, these eggs hatch and transform into an embryo obtaining a green color. After this, comes the tadpole phase with consists of 3 parts in which the animal progressively increases in size enlarging its body to finally develop front legs ending the water phase. After developing front legs, the soon to be adult frog starts breathing through the lungs which is the starting point of the land phase. During this phase, it significantly increases in size and starts to resemble what we know as an adult frog but, a tail remains. Finally, the tadpole loses its tail and becomes a tadpole frog. From this, the tadpole frog grows in size to reach adulthood.

Hi Liz, Cannot access the recommended lesson IELTS Diagram Report Structure ( https://ieltsliz.com/ielts-writing-task-1-diagram-structure/ ) mentioned at bottom of the page. It’s showing as page not found.

Thanks for letting me know. I’ve altered the link to a full model answer for a diagram so you can see the full structure. And I’ve added a link to the main section for Writing Task 1 which I think you’ll find really useful.

The diagram depicts the life cycle of a frog.

Overall, there are 7 labeled stages for the lifespan of the frog, which starts from the eggs stage and ends up as an adult fully developed animal; most of the stages are performed underwater.

The life cycle of the frog starts from the eggs stage, after which the frog’s eggs are transformed to an embryo. Once the embryo stage is finished, a tadpole is formed, which consists of 3 extra steps, where every further tadpole is being enlarged. Once the tadpole has been big enough, the front legs break through. The next step is called “a start of pulmonary breathing” and after it is completed, the frog is ready to come out from the water.

After the frog is ready for its life outside the water, the next stage begins and it is called “a tadpole frog”. The tadpole frog has all the features of the adult one, but has a tail and its size is different. Finally, the frog grows up, its size is almost doubled and the tail is lost, which marks the end of the frog’s development.

about a frog. The given diagram shows the live circle of a frog from egg to adult. We learn that the live of a frog is divided in a aquatic time up to the moment, when its develop the ability to breath air and leaves the wet environment of his tadpole adolescents. This his – so to speak – the rite of passage of a frog comparable to a high school diploma for humans. Before it is fully grown frog it is in his bachelor year called a tadpole frog. My conclusion is, that the clear advantage a tadpole frog has compared to a tadpole are his lungs and the humber of his legs wich a tadpole has none of. Whereas the diagram makes as believe that the only difference between an tadpole frog and a adult lies in size. In these way frogs a much like humans.

I wish to know which is correct. Some schools of thought are of the opinion that, there’s no overview when describing a process in writing task 1,but that isn’t the case with your explanation.

All task 1 academic reports MUST have an overview.

Hii liz , i wanted to ask that should we capitalise the first alphabet when writing nouns ? Like Birds or Land ? Is it necessary ? is that being checked ?

In the writing test, one of the marking criterion is Grammar which includes the correct use of capital letters. Please review the marking criteria for speaking and writing. Never enter the test room until you are clear on that. See these pages: https://ieltsliz.com/ielts-writing-task-1-lessons-and-tips/ https://ieltsliz.com/ielts-writing-task-2/ You’ll find links to the band scores on those pages.

Overall ,it is clear that,process starts under the water in the form of eggs ,but at last it ends on land as a adult frog.

An overview must contain all key features. This means the main stages. You need to aim for a full overview without getting lost in detail. Task 1 reports are a balanced between too little detail and too much detail. You have presented the start and finish of the process, but you have missed the main stages.

The diagram illustrates the lifecycle of a frog consisting of six stages.

Overall, the frog lays eggs in the water which hatch on to become tadpoles. Before maturing into an adult frog, the tadpole has two stages. The first one is where the legs develop and the second one is where the pulmonary breathing starts. The tadpole, then starts walking on the ground and finally develops into an adult frog.

Just a quick comment here. Your overview is too long. Try to keep it to one or two sentences at most. It is a brief statement without much detail – it’s a summary. The details are for the body paragraphs. Also be carefully giving information – the tadpole does not walk on the ground. The diagram shows it is a tadpole frog – which is the stage between tadpole and adult frog.

This diagram illustrates the life cycle of frog from eggs till it becomes adult. Overview. Overall,the frogs life cycle is divided into six stages from embryo till it becomes a complete grown frog.

Three basic stages. Its life in the water, its transition to air, and finally its life on land.

The diagram illustrates the different stages involved in the life of a frog.

Overall, eggs produced by adult frog hatch into tadpole and pass through a number of phases before going on to the land as a tadpole frog and maturing into an adult frog.

Initially, adult frog lay eggs on leaves on the water surface. At this point, the eggs develop into embryo, then hatch into tadpole before going through different phases of development inside the water. Finally, the resultant matures and starts breathing with lungs, ready for a new habitat.

On land, tadpole frog emerged and matured over a considerable period into an adult frog. At this stage, the adult frog lay eggs and the cycle begins again.

The diagram represents stages involved in the development of life cycle of a frog.There is a complete transformation from eggs to an adult frog. Overall it includes an aqueous phase and a non aqueous phase of development.Moreover both anatomical and physiological growth are mentioned in diagram. With regard to aqueoua phase,when an adult female frog lay eggs on the surface of leaves under the water,it will be fertilized by male frog.The eggs are numerous in quantity and some of them converts to an embryo.Later there will be a drastic change in size of embryo as it elongates and form a fish like structure called as tadpole.It is also evident from the diagram that during process of organogenesis there will be development of legs through their front body.In relation to this phase,there will be still the presence of elongted tailsand it develops the ability to breath.In other words its lung matures so that this phase marks its physiological development and it become suitable ti survive on land On arriving land,the so called tadpole frog shrinks size of tail and reduces convex profile of its chin along with increase in size to reach the shape and size of an adult frog.

Hello Liz! I plan to take IELTS exam next year and at the moment ,I’m learning IELTS tips and strategies via your blog.That’s really blessing for me that I found yours so thanks to you,Liz.Pls!if you see my comment,could you tell my mistakes in this introduction?

The diagram illustrates the development of a frog comprising of six stages to become an adult frog. Overall,embroys,which change from eggs,transform into tadpoles in the water.And after two stages passed through from those,namely, tadpole frogs on land are metamorphosed.Finally,those are mature into adult frogs.

Your overview and introduction are not clearly distinguished. That there are six states is part of the overview. The actual overview you have written it too detailed for an overview. You are trying to put all stages into your overview instead of the key points. Try to keep things more simple. Your task is to take detailed information and present it in a simplified way. An introduction for a diagram is often just a few words – in your case 8 words. The overview ought to be one statement if possible.

Hi Liz! First of all, thank you for the plethora of material that you have made available on the website and on your youtube channel. Everything is really helpful. I am appearing for IELTS in 9 days and I want to ask a question. Does writing task 1 (Academic) not involve any summary at the end? I mean any conclusion or final sentence to end it all? I have gone through your video describing the format but was still confused. Especially for graphs, charts, etc.

Conclusions are for task 2 and overviews are in task 1. The overview can go either with the intro, after the intro or at the end of the report.

The cyclic diagram illustrates life cycle of a frog. It includes 7 stages. These 7 stages explains how a frog comes to life. It also explains how the cycle of growth occurs in frogs . In the first stage eggs are produced . After that formation of embryo takes place. Embryo then develops itself into tadpole and it takes place in 3 stages . Once the tadpole develops, it further grows its front leg break through. Then the next stage is an important stage. For the very first time pulmonary breathing occurs in a tadpole . After breathing starts the tadpole is then formed . This tadpole frog then moves further into the cycle of development to reach its next stage. The next stage for a tadpole frog is to become an adult frog.

Don’t forget your paragraphs.

The given diagram illusrates the growth stages of a frog in its life cycle . Overall,before moving from water to land the frog undergoes many developmental phases from egg,tadpole to the adult frog. (Or) Overall, before starting its life as an adult frog on land ,every frog undergoes many developmental phases inside the water from egg to tadpole then into an adult . Firstly ,life cycle of a frog is started from eggs inside the water then it developed into an embryo. From the embryo a small tadpole came out and it had grown in three stages.After this stage the tadpole increased in size and it developed its front legs . Furtherly,in the next stage of frog’s life it started the pulmonary respiration and it is the final stage of its growth inside the water. Secondly ,the tadpole frog is the stage which is the first phase in land in growth cycle of the frog after this stage it completely transfromed into an adult frog .

The diagram illustrates the different stages of the life of a frog. At the initial stage, a tadpole emerges from eggs and make a significant growth while in water. Finally, it lands out of the water before becoming an adult frog of its kind.

Hi Liz Thank you for your generous informing, I appreciate it. Would you please alittle bit clarify for me the differences between outline sentence which comes immediately after the introducing sentence and the conclusion which basically is expected to settle as a separated paragraph ?

See this page: https://ieltsliz.com/ielts-writing-task-1-lessons-and-tips/

Kindly evaluate my introduction, thanks!

The diagram depicts a frog developmental cycle in seven stages. Overall, it can be seen that after a frog had undergone five crucial phases in its life; from egg reaching to its tadpole frog phase, it is now ready to live on land wherein it has fully developed lung function and complete limbs till it further later matures as an adult frog.

The diagram above showed a frog life cycle. On the whole, start from an egg to a tadpole, and then to be a mature frog, the frog spends most of its time in the water phase.

The given diagram illustrates the circle of a frog’s natural life.

Overall, the imature form which develope from the egg under the water, going through multiple and different stages before going on to the ground surface and becoming a mature frog.

On this type of exercises (diagrams), we only have to write an Introduction and Overview? What about the Body Paragraphs? By the way, the number of words required is less than 150, right?

Thank you! Rafaela BR

This lesson is about introductions and overviews. The lesson isn’t about other paragraphs. Go to the RED BAR at the top of the website and enter the writing task 1 section to learn more.

Hi Liz , Thank you for the amazing videos you share , it truly helps mine writing skills better I want you to check my writing task so that I can improve more and also score it.

The diagram illustrates the different phases involved in the cycle of a frog’s life. Overall, tadpoles which emerge from the eggs in the pond, pass through a number of stages before going on to a land and maturing into adult frogs.

At an initial stage, the eggs laid by the mother frog develops into an embryo. A fully grown embryo hatched on to emerge as a small tadpole which has an elongated body with long tail. Gradually, the body of the small tadpole enlarges along with the tails. This phase continues till it’s front legs break through the body.

The next stage involves the development of the main features of a young frog . The process includes the starting of the pulmonary breathing with fully developed eyes for the sight. Furthermore, the immature frog slowly and steadily grows onto become a tadpole frog with flexible legs for the movement . The last stage shows the maturity of the tadpole frog into an adult frog and comes out of its comfort zone to reach the nearby land.

Thank you so much

First of all thanks for hardworking and your efforts are appreciatable. My question is IELTS exam is identical for all countries or it is up to country wise to prepare a different test for a different country? Thanks

On any one day there will be a number of tests used around the world.

The diagram illustrates the stages of development of a frog. Overall, the eggs transforms to embryo, the next phase is the tadpole, metermophosis continues until it becomes a frog.

Intro: The diagram illustrates frogs development during their life. Overview: It can be seen that the process mainly occurs in the water, where egg becomes embryo who becomes tadpole; after that, front legs appear and finally a pulmonary system let the frog start to breath. So, at this point, the animal could move into the land and turn into an adult.

thankyou Liz for your amazing job, I’m very grateful

The diagram illustrates the stages in the life cycle of a frog. Overall, eggs hatched into embryos which later develop into tadpole and then adult frog. Intially, eggs are float in the surface of the pond. The step after the egg hatched is develop in the form of embryo. After the emergence of the small todpole, which has a small body and long tail. Gradually, the todpole developed its body enlarges while the tail become longer. At the point in the cycle, the leg appear in order and the tail are becoming short to be prepare for the todpole frog. Eventually, the todpole frog start to develop into the young frog with a wider mouth, reduced tail and bigger legs. At that time young frog continue to live in a pond. Over a time, the frog matures and when the frog finds a mate so as to produce eggs and the life cycle begins again.

The diagram shows that how the frog is produce from the eggs into the water to the land to form tadpole to the adult frog oveall , it is a life cycle of frog that represent how the eggs are develope into embryo and futher breaks into different part and go to the land to form adult frog

The technique is correct, but the level of your English is a problem. There are constant errors in English which will very seriously lower your score. Your English is currently about band 5.

The diagram shows the process of life cycles of frogs taking place through different stages.

This was my answer: The diagram illustrates the stages of metamorphosis of a frog. Overall, there are six stages in the life cycle of a frog, from the eggs, through the tappole, before it becomes an adult. Please Liz, i hope that wasnt an awful effort?. Thanks for your awesome lessons.

A good try. But be careful of spelling and grammar.

The pictorial representation depicts the life cycle of a frog. The cycle starts from the time the eggs are laid to the time where it becomes a full blown adult. Picture speaks a thousand words and I cannot find a greater example than this.

I hope you are not adding idioms or opinions to your writing task 1 !!!!

Hi Liz, Just a quick question. Why in this example the introduction and the overview are in the same Paragraph and I take it that it is allowed to just have one paragraph for the two if the introduction is not substantial enough. Thank you for your time.

There are no fixed rules. I often put my introduction and overview together for diagrams for the exact reason you stated. But they must be two clearly different statements.

Hi Liz, for diagram type report, do we write an overview in the same paragraph of introduction!? Because, for other types, you have shown to write a different paragraph for an overview.

Liz, what is the difference between introduction and overview? how many lines can i write for introduction? secondly, must i write an overview? is overview part of the introduction or it should be written in a separate paragraph? Please, i need your reply. Thanks.

Start learning about writing task 1 paragraphing and overviews by reviewing all tips and lessons on this page: https://ieltsliz.com/ielts-writing-task-1-lessons-and-tips/

Is there any difference between the checking of british council and idp writing?

No. They are part of the same company – IELTS.

Hi Liz, First, I want to say that I’m grateful for your hard work. That’s amazing! Really help me. Could you tell me if I could write my introduction and overall like this: “This diagram demonstrates how a frog grows under normal environmental condiction. This cycle starts in the eggs put on the leaves of plants, goes between it pulmonary breasting phase and finishes on adult phase” Thank you so much once more!

Make sure you are highlighting which statement is your overview. The overview is the most important part of your writing task 1 – make it easy for the examiner to find.

Is overall is necessary in diagram??

This whole page is about the introduction and overview for diagrams – I’m sure you know the answer to your question!

Intro The diagram shows the distinct period of process of a frog life cycle.

Overview It is given the conplete transitionof the adult frog from eggs, embryo, tadpole until its overall feature are totally formed like front legs and starting to get life.

This is the right technique. Now you need to work on your English as it contains a lot of errors.

The diaphragm illustrates the metamorphosis of frog. Overall there are 7 steps and majority of steps occur in the water while the final steps takes place on the land. Initially, the egg’s are laid in the water. The eggs are laid in the clumps and it requires moister hence they remain in the water. Later the eggs develop into an embryo. The embryo then matures to form an tadpole. After several weeks, the hind legs begin to grow from tadpole. All these steps are aquatic and as lungs began to develop, the life cycle shifts from aquatic to the earth surface. The tadpole by this stage has evolved to tadpole frog. It closely resemble the young frog but still has long tail. After several week on the land, the young frog sheds its long tail and will begin to grow into an adult frog.

Is there a complete model answer available for this diagram? Thanks Anita

https://ieltsliz.com/ielts-writing-task-1-lessons-and-tips/

Hi Liz, My exam is this Saturday and I really don’t know how to improve my writing. I keep watching your videos and reading your tips. Although, I don’t make many grammar mistakes, I always feel like my vocabulary choice is so much worse than words or phrases used in the model essays. I have subscribed to a writing correction service and they always return my work (band score 6.5) with single words being highlighted and replaced by ‘better’ ones. On numerous occasions, their feedback would say that my vocabulary is too sophisticated. How should I work on it? Any tips? I’m so desperate to improve it, just don’t really know how to and I really need to get 7:(

It sounds like you are greatly focused on vocabulary. Why? It is only 25% of your marks. Judging from your message, both your vocabulary and level of English are fine to get a higher score. So, the problem is obviously technique, not language.

What should I focus on in particular? What tips,regarding technique, should I become familiar with? Thank you for your help!!

The list is long: understanding what the examiner is looking for – how your essay is marked writing thesis statements writing topic sentences for body paragraph linking ideas presenting supporting ideas properly Unless you understand that this isn’t an academic essay – it’s an IELTS essay, you will struggle. IELTS essays have particular requirements and techniques. If you need help see my advanced lessons. Also avoid learned phrases and poor choices with language.

Hi ..did you got score 7?😊

Here are the two introductions which i have written. I will be glad if you will see these Liz. Thank you.

1.The diagram illustrates information about the seven stages of life cycle the frog has to undergo from an egg to become adult.

2.The diagram illustrates information about the transition stages of life cycle the frog has to go through for becoming an adult from an egg.

You need to think what information to put in your intro but also what information to put in your overview – don’t mix them.

Yes, I need to take care of it. 🙂

Thaank u so much for ur guidance madam.

Please lizy help to access my introduction, all your tips has been found helpful.

The diagram gives information about the five stages involved in the life cycle of a frog which transcend from egg through tadpole and to adult frog. Overall,there are five stages in all in which the first three cycle are water based and the remaining two were on land.

your lessons have been of immense value to me.Thank you Liz. Please point out errors in the below introduction and overview.

The diagram depicts the developmental stages of a frog.

Overall,there are roughly five essential stages(egg, water tadpole, lung breathing tadpole, land tadpole and adult frog) in the life cycle of a frog. The stages involves aquatic and terrestial phases starting with the egg stage and ending in adult frog stage respectively.

Sorry I don’t comment on writing.

The diagram below illustrates the phases of frog’s life, from the eggs to the adult frog. Overall, it is possible identify seven phases in which the frog develop hear features that will bring her in a mature state. Five of these stages happen under water from the eggs until the beginning of pulmonary breathing. Before of this stage the egg becomes embryo and in turn it changes into tadpole. The latter increases his dimensions through various steps and at the end his front legs come out. When there is the beginning of respiring, obviously, begins the life of the frog outside from the water, on to a land. Here it can be noted two phases: the tadpole frog and the adult frog. With this her maturation concludes.

What score can I have from his answer? Thanks

Sorry, I don’t give out band scores and I don’t mark writing.

The diagram illustrate how frog grows up during different stages of life cycle from an egg to adult frog.

please let me know this intro is enough & also highlight mistakes.

Dont’ forget “illustrates” with an “s”. Also animals don’t “grow up”, only children grow up. Always tried to avoid errors in grammar and vocab.

Could you please read my writing and tell where i’ve made mistakes and the improvement that could be made?And also how much I would score with a writing like this. It would really help me. Thanks

The diagram depicts several stages that are involved in the Life Cycle of a frog from the stage of it being an egg, to the time it becomes an adult frog. Altogether there are 4 stages in its life cycle.

The cycle begins from first stage where an adult frog lays eggs. The egg then grows to become what we call the embryo in the second stage which further in the stage three becomes a tadpole. A significant growth of the tadpole can be seen in this stage where its legs break through, gradually its pulmonary breathing starts . Its not until the third stage that the tadpole frog is out of the water and starts its life by adapting to its new environment that is the land. And finally in the stage four , this tadpole frog becomes an adult frog. The cycle continues in a circle.

Sorry I don’t comment on writing. But I will say, don’t start any sentence with “And” in your writing test.

Thank you 🙂

I chanced upon your website and I would be happy to receive your comment on the introduction and overview for the Life Cycle of a Frog:

The diagram illustrates the different stages that a frog undergoes in its life span. Clearly we see its growth from an egg and gradually developing into a tadpole until it becomes an adult frog.

Try to avoid “we will see …”. Avoid using “we”. Make sure your overview is easy to find: Overall, …

Thank you for the immediate feedback, Liz. You really are a big help. To rephrase, will this do:

“The diagram illustrates the different stages that a frog undergoes in its life span. Overall it shows the growth and development from an egg as it gradually transitions into a tadpole until it becomes an adult frog.”

Much better 🙂

Dear miss liz, Sorry, maybe this topic was so late. Because, to be honest, I have just visited your website and these last 3 months I have been struggling by my self. But, let me convey my ideas. I promise, this will only be introduction and overview matters due to some data problems. And As you said it is crucial to give us a high score in writing task 1. Please give me comment.

” The diagram illustrates a life phases of a frog as a whole. Overall, it can be seen that life cycle of a frog begins from eggs which is water as its habitant. And then, Before being a tadpole which in the next stage, land as its place to live and finally, developing to be an adult frog “

You’ve got all the right techniques but with so many grammar mistakes with it will seriously affect your score. I’m telling you this, not to make you unhappy, but so that you can fix your problems before your test and get a higher score. See my list of errors: a life phases = the life phases (you MUST learn when to use “the” and when to use “a” as a whole = you are adding extra words to sound good or because you think the intro is too short. Don’t do this. It is a short intro – fine. that life cycle = that the life cycle (problems with “the” which is = which are (eggs is a plural word) as its habitant = I’m sure when you wrote this that you were not sure if this was right or wrong. So, don’t use it. Avoid errors at all costs. Just write that the …begins from eggs which are in water. And = never start a sentence with “and” this is a common error which the examiner will look for. “and” is a conjunction in the middle of two sentences. So, in this case, just start your sentence with “Then” ” Before being a tadpole which in the next stage, land as its place to live and finally, developing to be an adult frog “” this whole sentence is grammatically incorrect. Kept your information easy to read. “Before becoming a tadpole, moving onto land and developing into an adult frog.” I gave three stages clearly in order. This is your overview – no need for linking words – use them in your body paragraph.

I hope this list will help you develop. Here is a list of tips: 1. Keep your information easy to read 2. be careful with “the” or “a” 3. be careful with plural nouns and third person verbs eggs = are 4. don’t make your sentences so long and don’t pack sentences with too much information. Keep things clear and easy to read. 5. don’t use “and” or “but” or “because” at the beginning of sentences. See my linking words on the main writing task 1 and 2 pages. 6. Aim to reduce errors. Don’t try to impress the examiner – just keep your errors down. More errors = lower score!!

Good luck!!

The provided diagram personifies the different phases involved in the life cycle of a frog ‘s life. Overall, tadpole which emarage from the eggs , pass through a seven stages and converted into adult frog.

To commence with, we can observe that , there are some eggs which laid by mother frog and develops into an embryo. After that, a fully grown embryo hatched on to emerge as a small tadpole which has a minor body with tail. In the next, tadpole front leg break through the body.

In the next stage shows the development of the cardinal features of an adult frog. The process involved the tadpole starting of the pulmonary breathing with established eyes. The frog is slowly slowly grow and become tadpole frog. The last stage shows the tadpole frog converted into adult frog.

How about this introduction for the diagram. “This diagram illustrates the life events occurring in the development of eggs into mature adult frog.”

“life events” isn’t quite appropriate to use but otherwise, it’s ok.

Hello Liz. For the diagram do we need to have a conclusion or not?

See this page: https://ieltsliz.com/ielts-tips-conclusion-or-overview-for-writing-task-1/

hi liz i am sajid form india l love your lectures,model paper as well as practice paper they are really very helpful for me keep it up liz you are doing job may god bless you thanks sajid

hi liz is this type of graphs(diagram ) often come in ielts because quit hard

Diagrams come in the test but I can’t say how often.

Hello Liz Is it important to always have an overview?? I’ve read many task 1 samples of maps and line graph with pie chart combined in one task without an overview I’m confused as when i should have them

https://ieltsliz.com/ielts-tips-conclusion-or-overview-for-writing-task-1/

Do you think this type of overview is correct? ” Overall, it takes six stages (listing all the stages) starting from eggs and finishing with adult frog.”

The overview contains key features not a list of all stages. All the best Liz

You are so great!Thanks a lot.

its great….

Dear Liz, thanks a lot, a big like to you 🙂

did this question come out last year on oct-november?

This is a practice diagram not a past exam paper. All the best Liz

Dear liz, thanks for ur helpful guideline. Liz I need a model answer for frog life cycle. Can u provide me this model answer?

This is just a practice lesson, not a usual exam question. Liz

Hello I have prepared myself for a long time but I think that my english is quite bad and the mostly I am afraid to get less than 6.5. I think that I’ll have the most problem with listening part and also with these diagrams . It’s looks so complicated and rare. My test date is in Dececember 5th. How I can make better my listening .? Always I was bad with that. What You could advice me to get band 6.5 ? Thank You for Your time .

You’ll find tips and answers to your questions here: https://ieltsliz.com/ielts-help-faq/ All the best Liz

is one sentence for the introduction enough? or do i still have to make a 2 sentence introduction?

One sentence is enough for an introduction for task 1. This is not an essay. You can put your overview with the introduction (which means two or three sentences) or in a separate paragraph. Liz

Dear Liz, Thank you for your great support on our path to success.

You’re welcome 🙂

Hello miss Liz , it would be a great help if you take a look . Thanks! Regards,

the diagram illustrates the development stages of the frog’s life cycle. Overall, the life cycle of a frog is a natural process which improves in six tips , which are ( eggs, embryo , tadpole, legs , land to adult frog ) , it begins with eggs’ production and ends with being adult frog.

Sorry but I don’t comment on writing any more. Liz

Hi Liz, Can i write (at the first glance ) in IELTS writing task 1 ? or it is considered as a speaking language more ?

“At first glance” means that you are looking quickly without thinking much. That is completely the wrong information to give when your task is to analyse the chart or graph deeply. So, don’t use it. All the best Liz

ok .. Thank you very much 🙂

Hi Liz, I stubbled upon your website this afternoon and its so nice to have a very active kelt tutor that responds to every comment from her subscribers.please kindly go through my essay and let me know how I did. Thanks.

The diagram demonstrates the different phases in life of a frog. In overall, there are 6 main stages starting from egg and to the final stage of adult frog. And the whole process takes place inside water and on water surface. The initial process begins with many eggs being laid inside water, which eventually gets into embryo and embryo develops into tadpole. There are 2 stages of a tadpole, but from the second stage which is slightly longer in length, it starts developing legs. As soon as the front legs are developed, the next phase is the start of pulmonary breathing . From the moment the tadpole start breathing through the lungs,it jumps unto the water surface and becomes a tadpole frog. And from tadpole frog, it develops into an adult frog. The life cycle then starts again with the adult frog laying it’s eggs inside water.

Total of 146 words.(tried to makeup the remaining 4 words but my 20mins is up) Please can you grade it for me. I tried to write it as if am in exam although I know if I am in exam I will get extra time from task 2.

Please see my notice: https://ieltsliz.com/posting-writing/ Thanks Liz

The diagram illustrates the information about the lifecycle of a frog, explaining how an egg at first starts developing and becomes an adult frog. Overall, the diagram shows the frog going through two ways, on a water surface and land surface while growing up to become a complete adult frog. It goes through 8 processes. In the first stage, eggs are laid beside the leaf under the water surface which turns into an embryo. Then, the embryo is hatched and it becomes tadpoles. After that, the front legs break through the tadpole and it starts walking. In the next step, the tadpole starts walking to the land from the surface of the water. Pulmonary breathing starts during the process of becoming an adult frog from a tadpole. Finally, the overall development of a tadpole happens and it starts walking completely on the land surface after which it grows to become an adult frog.

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The Water Cycle, Essay Example

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Water is an important element for the survival of living things.  The hydrologic cycle refers to the precipitation and evaporation of water from the atmosphere and back to the earth. Water on earth is mostly found in the ocean, which covers over 70% of the earth’s surface and is the source for the major reservoir.  In fact, the oceans contain about 97% of the earth’s available water. The hydrologic cycle is driven through solar energy, which causes the water to evaporate into the atmosphere and return to the earth’s surface in the form of precipitation via gravity. Water that falls onto the land can be absorbed through living organisms, such as plants.  Water molecules taken up by plants are returned to the atmosphere in form of evaporation from leaves. Other water molecules are absorbed into the water and undergo photosynthesis through combining with carbon dioxide resulting in high energy molecules referred to as glucose. These glucose molecules are then further broken down during cellular respiration of living organisms into water and carbon dioxide and released back into the atmosphere.

The patterns of both precipitation and evaporation result in the distribution of plants on the earth’s surface.  For instance, this change in hydrologic cycle can be observed in different types of habitats, such as the desert or rain forest.  In deserts, there is a decrease observed in living communities due to the decrease in biological productivity from the lack of water. On the other hand in rain forests, there is an abundance of water resulting in an increased biological productivity.  In these habitats, therefore, different types of plant species and abundance occur. Changes in the hydrologic cycle could results in changes of plant communities in these areas, which thereby effect the distribution of plants on earth.

Living organisms in an ecosystem require both energy and nutrients in order to maintain life activities essential to living organisms, such as growth, development and reproductions. Plants are key to the cycle of energy and nutrients within an ecosystem.  The plants capture sunlight and convert the sunlight into chemical energy through the process of photosynthesis. The energy captured through the plants is transferred through the food chain starting with the herbivores. The herbivores eat plants and obtain energy.  Carnivore animals eat the herbivores to obtain energy. Scavengers obtain energy from left over animal remains.  Finally, decomposers obtain energy through decaying material. Sunlight provides the energy that powers life. Nutrients and C N P H20 enter the ecosystem via the non-living components of the planet, such as the atmosphere, earth, or ocean.  Solar energy continually bombards the earth and provides a limitless source of energy.  This flow of energy is limitless since the energy provided from the sun is limitless.  However, the nutrients essential for living organisms is limited.  For instance, the earth only contains a certain amount of available Carbon, Phosphorus, or Nitrogen. The process of photosynthesis provides 1/7 th of the available carbon. Therefore, if cellular respiration were to discontinue and carbon dioxide was not released into the atmosphere, energy for life would also discontinue, as the availability of Carbon would decrease or end for the uptake of plants.  Therefore, the flow of energy and the cycling of nutrients play major roles in the populations within an ecosystem.

The differences in ecosystems depend of two different types of factors. These are abiotic and biotic factors.  The abiotic factors refer to components such as non-living things such as water and light.  The biotic factors are the living community of organisms. Different habitats are comprised of different abiotic and biotic factors.  In a swamp, the most important abiotic factor is water. The water in a swamp has a huge biotic community for micro biotic organisms, such as animal and plant-like protists, fish, plants, insects, amphibians, and reptiles.  Birds and mammals also utilize the swamps as well. All of the biotic community comprises the biotic factors.

Matter and energy flow through an ecosystem when organisms feed on one another, making up the food chain. Food producers are the first chain, such as plants and algae that capture sunlight and convert chemical energy to food via photosynthesis. After the food producers, are the consumers. Consumers consume food producers; therefore, they eat the plant material. Next are the second order consumers, third order consumers and decomposers.

Pyramids were developed to illustrate the energy flow through an ecosystem with the producers on the bottom, consumers, 2 nd order consumers, and third order consumers at the top. This pyramid showed that 16% of the energy is passed on to the consumers, 11% to the secondary consumers, and only 5% to the third order consumers.

The Carbon cycle moves through ecosystems starting with air, since it contains carbon dioxide.  Plants absorb carbon dioxide and break it down to glucose and oxygen. Carbon dioxide also diffuses into water for aquatic plants.  Some of the Carbon atoms are used to build body tissue and other molecules are returned back to the atmosphere. Carbon is also released back to the environment through the burning of wood or fossil fuels. Decomposers also return Carbon to the atmosphere as well. All of these components affect the carbon cycle.

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Home / Essay Samples / Environment / Water Cycle / The Importance Of The Water Cycle

The Importance Of The Water Cycle

• Category: Environment
• Topic: Water , Water Cycle

Pages: 1 (649 words)

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Meeting basic needs of all living organisms, preserving water quality and ecosystem health.

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