Process Diagram

Band 8+: The diagram below shows a simple device for changing sea water to drinking water. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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Image for topic: The diagram below shows a simple device for changing sea water to drinking water. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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The image features a process diagram titled "HOW A FLOATING SOLAR STILL CONVERTS SEA WATER TO DRINKING WATER". The structure comprises a "Plastic container with clear plastic dome" resting on "SEA WATER". At the base, an entry point is labeled "Sea water enters through a small hole". At the upper-left, sunlight rays penetrate the structure, marked by the label "Dome lets in sunlight". Inside the dome, three upward arrows represent rising vapor, labeled "Heat from sun’s rays evaportates sea water". Along the inner right slope of the dome, droplets and a downward arrow are labeled "Evaporated water condenes on the dome and flows into rim". The rim at the lower right connects to a "Rubber tube", which leads into a "Drinking water collector".

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.

The diagram shows a way in which sea water can be converted to drinking water using a simple device called a floating solar still. This device consists of a clear plastic dome, a rubber tube and a smaller container called a distilled water collector.

First, the larger plastic container is placed on the sea water, where it floats. Next, the distilled water collector is attached to the container by a rubber tube and is placed in the water next to it.

The process begins when the bottom of the larger container is partly filled by sea water, which enters through a small hole. Sunlight then passes through the clear dome and heats up the sea water, which evaporates and condenses on the inside of the dome. Finally, the water flows down the dome into the rim of the container, through the rubber tube into the drinking water collector. It is now ready to drink.

The diagram shows how a bit of basic equipment can be used to produce clean drinking water in just a few simple steps.

Word Count: 177

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Overall Band Score

8.5

(+/- 0.5)

Vocabulary Complexity:
B1 - Intermediate
Using more sophisticated words could be beneficial.

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 11

container: 5

which: 3

drinking: 3

rubber: 3

through: 3

Try using synonyms for the above words

Task Response

The report effectively summarizes the main features of the process and presents them in a logical sequence. It covers the key stages: sea water entry, evaporation, condensation, and collection. The description is clear and well-organized, with appropriate use of sequencing language. Minor omissions, such as not explicitly mentioning the role of sunlight in the initial setup or the exact placement of the collector, are acceptable and do not detract from the overall task achievement. To improve, consider adding a brief comparison or emphasizing the simplicity and efficiency of the device, as suggested in the task. Overall, the response is relevant, sufficient, and well-written.

Coherence & Cohesion

The report is logically organized and easy to follow. It begins with an introduction, then describes the components, and proceeds through the process in a clear sequence. Cohesive devices such as 'First', 'Next', 'The process begins when', and 'Finally' are used effectively to guide the reader. Paragraphing is well managed, with each paragraph focusing on a distinct aspect. There are no noticeable lapses in coherence or cohesion.

Lexical Resource

The vocabulary is precise and appropriate for the task, with a good range of terms such as 'converted', 'floating solar still', 'distilled water collector', 'evaporates', 'condenses', and 'rim'. The language is natural and sophisticated, and the report demonstrates full flexibility in lexical choice. There is no repetition or awkward phrasing, and the register is consistently academic and formal. Boost vocabulary complexity to elevate the overall score.

Grammatical Range & Accuracy

The report uses a wide range of grammatical structures accurately and flexibly. Sentences are varied in length and complexity, including passive constructions ('is placed', 'is attached', 'is partly filled') and conditional-like structures ('which enters', 'which evaporates'). Punctuation and grammar are correct throughout, with no errors detected. The report fully meets the criteria for grammatical range and accuracy.

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Band 8+: The diagram below shows a simple device for changing sea water to drinking water. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

Check Your Answer On This Topic?

Generate A Band-9 Sample Answer?

Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Other Topics:

The diagram below shows the life cycle of a flower and the various stages it goes through. Summarise the information by selecting and reporting the main features, and make comparisons where relevant

The diagram below shows the stages and equipment used in cement making process, and how cement is used to produce concrete for building puropses

The diagram below shows the manufacturing process for making sugar from sugar cane. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram below shows the process by which bricks are manufactured for the building industry. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

Task 1 The diagrams below show the stages and equipment used in the cement-making process, and how cement is used to produce concrete for building purposes. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

The diagram below shows how chipboard is created from wood and then used to make furniture. Provide an overview of the information by identifying and describing the key details, and include comparisons where appropriate.

Check Your Answer On This Topic?

Generate A Band-9 Sample Answer?

Overall Band Score

Task Response

Coherence & Cohesion

Lexical Resource

Grammatical Range & Accuracy

Other Topics:

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