The diagram below illustrates how a simple water filter is constructed and how it functions to produce clean drinking water. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

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IELTS Writing Task Chart for The diagram below illustrates how a simple water filter is constructed and how it functions to produce clean drinking water. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram depicts how a simple

water

Use synonyms

filter is constructed and how it functions to produce clean drinking

water

Use synonyms

Overall

Linking Words

, the process involves filtering impure

water

Use synonyms

through layers of sand, charcoal and gravel before transferring the purified

water

Use synonyms

through a pipe into a drinking-

water

Use synonyms

storage tank.

Initially

Linking Words

, impure

water

Use synonyms

is poured into the filtration system, where it passes through successive layers of gravel, sand and charcoal. These materials help remove impurities from the

water

Use synonyms

during the filtration process. Once the

water

Use synonyms

has been filtered, it is directed through a pipe towards the next stage of the system. Following filtration, the cleaned

water

Use synonyms

flows through a pipe into a storage tank. It is

then

Linking Words

transferred to a separate tank, where it is stored for drinking purposes.

Thus

Linking Words

, the system enables impure

water

Use synonyms

to be filtered and collected for later use.

shivanimjpatel12

Oct 13, 2026

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Common mistake: Your writing should be 150-250 words.

Basic structure: Change the third paragraph.

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Basic structure: Change the fourth paragraph.

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Vocabulary: Rephrase your introduction. Words match: 83%.

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Vocabulary: Replace the words water with synonyms.

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Vocabulary: Only 2 basic words for charts were used.

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Vocabulary: Use several vocabularies to present the data in the second paragraph.

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Vocabulary: Use several vocabularies to present the data in the third paragraph.

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Vocabulary: Use several vocabularies to present the data in the fourth paragraph.

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4
Linking words
meeting the goal of 7 or more
1
Word repetition
meeting the goal of 3 or fewer
0
Grammar mistakes
detected issues

0123456789.0505

Overall Band Score

Coherence and Cohesion: 9.0

Logical structure

Single idea per paragraph

Introduction & conclusion present

Accurate linking words

Variety in linking words

Lexical resource: 4.0

Varied vocabulary

Accurate spelling & word formation

Grammatical Range: 9.0

Mix of complex & simple sentences

Clear and correct grammar

Task Achievement: 4.0

Complete response

Suitable writing tone

Appropriate word count

4 paragraphs

139 words

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The diagram below illustrates how a simple water filter is constructed and how it functions to produce clean drinking water. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

Scientific research should be carried out and controlled by governments rather than private companies. Do you agree or disagree?

In many countries, it has become difficult for young people to afford to buy their own home. Why is this the case? What can be done about this problem?

People who cause their own illnesses through unhealthy lifestyles and poor diets should have to pay more for health care. To what extent do you agree or disagree with this opinion?