Process Diagram

Band 5+: 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. Write at least 150 words.

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Image for topic: 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. Write at least 150 words.

Our system will evaluate the answer based on this AI-generated description.

The image illustrates a water-filter assembly, highlighting a process where water is poured from a container into a plastic barrel containing layers of sand, charcoal, and gravel. The barrel is positioned above a storage drum connected by a pipe, enabling filtered water to flow into the storage drum. A tap at the bottom of the storage drum is used to dispense drinking water. The assembly features a plastic lid and the entire setup is shown aligned vertically.

Given the complexity of the image, the above description may not be entirely accurate.

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Note: Both the topic and the answer were created by one of our users.

An illustration under depicts how water is cleaned.

Overall, the process involves three key stages, beginning with the pouring water into a filter and ending with collection of clean drinking water from storage drum. The water passes through sand, charcoal, gravel before it is supplied in a individuals’ glass.

The process begins when water is poured into a filter container. It is higher than storage drum since it helps plastic barrel to combine filter container and storage drum properly. The container contains special substances such as sand, charcoal, and gravel. Consequently, the water will go through these substances which enable liquid to remove impurities from the water

Following the filtration stage, the filtered water flows through a plastic pipe into the storage drum. As a result, storage drum contains the filtered water which everybody can drink.

Word Count: 136

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Overall Band Score

5.5

(+/- 0.5)

Vocabulary Complexity:
C1 - Intricate
Strive to incorporate even richer and more precise language.

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 8

storage: 5

filter: 3

through: 3

container: 3

Try using synonyms for the above words

Task Response

The report covers the main stages of the process and identifies the key components of the filter. The overview is clear, and the sequence of events is logically presented. To improve, ensure more precise descriptions of the mechanical relationships between components (for example, the role of the pipe and the tap) and refine grammatical accuracy, particularly regarding article usage and sentence structure, to enhance the overall flow and professional tone. The report falls short of the required 150 words.

Coherence & Cohesion

The report follows a logical sequence, but the progression of ideas is occasionally interrupted by awkward phrasing. While you have used some cohesive devices (e.g., 'Overall', 'The process begins', 'Following the filtration stage'), they are sometimes used in a way that feels mechanical. To improve, focus on creating smoother transitions between sentences and ensuring that each sentence flows naturally into the next. Avoid repetitive sentence structures and try to link ideas through more sophisticated subordinating conjunctions.

Lexical Resource

The vocabulary used is functional but quite basic and, in some instances, inaccurate or awkward (e.g., 'An illustration under depicts', 'supplied in a individuals' glass'). There is a limited range of vocabulary to describe the process. To reach a higher band, aim to use more precise technical verbs (e.g., 'percolates', 'filters', 'accumulates') and more varied nouns. Work on collocations to ensure that word combinations sound natural to a native speaker.

Grammatical Range & Accuracy

There are several grammatical errors throughout the report, particularly regarding article usage ('the pouring water', 'from storage drum', 'into a individuals' glass') and sentence structure. Some sentences are slightly confusing in their construction (e.g., the sentence regarding the height of the container). To improve, focus on mastering the use of definite and indefinite articles, and practice using complex sentence structures (such as relative clauses) more accurately to describe simultaneous actions in a process.

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Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

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