Process Diagram

Band 6+: The diagram below illustrates how a simple water filter is constructed and how if functions to produce clean drinking water.

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Image for topic: The diagram below illustrates how a simple water filter is constructed and how if functions to produce clean drinking water.

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The image shows a diagram of a simple water filter with layers consisting of gravel, charcoal, and sand inside a container labeled "simple water filter," with impure water entering from the top, flowing down through the layers. The filtered water exits through a pipe into a separate drinking water storage tank, which is connected to a tap.

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

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The diagram shows how a simple water filter is used to produce a drinkable water source. Overall, there is a 4 purification process including: impure water, sand, charcoal, gravel, before clean water is achieved.

Firstly, the process starts of with a non drinkable water, impure water is put in the simple filter and goes through a couple of stages. After the water is put sand is the first thing it runs through. Sand is used to filter out dirt that is too big to pass through sand, removing undrinkable subtances in the water.

Next, charcoal is used for a tool to kill the remaining bacteria that’s contaminating the water, preventing it from being drinkable. Lastly, gravel removes all the remaining impurities in the water making it safe to drink. After the filtration process is done, the water is the transported to a drinking water storage tank. Finally, the water is transformed from impure to drinkable.

Word Count: 155

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Overall Band Score

(+/- 0.5)

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

Grammar Mistakes: N/A

Vocabulary Repetition:

water: 12

drinkable: 4

filter: 3

process: 3

impure: 3

through: 3

Try using synonyms for the above words

Task Response

The report identifies the main components of the water filter and attempts to describe the filtration process. However, the description lacks detail and clarity, and there are some inaccuracies in the explanation of how each layer functions. The organization could be improved with a clearer structure and more precise language. To improve, focus on providing a more detailed and accurate description of each stage of the filtration process, and ensure the language used is clear and precise.

Coherence & Cohesion

The report provides a general overview of the water filtration process, but the organization could be improved. The introduction and conclusion are present, but the body paragraphs lack clear topic sentences and transitions. Consider using more cohesive devices to link ideas within and between paragraphs. For example, you could use phrases like 'Following this stage,' 'Subsequently,' or 'As a result' to guide the reader through the process more smoothly. Additionally, ensure each paragraph focuses on a single aspect of the process for better clarity.

Lexical Resource

The report uses adequate vocabulary to describe the water filtration process, but there's room for improvement in terms of precision and variety. For instance, instead of repeatedly using 'put' or 'goes through,' try more specific verbs like 'introduced,' 'passes through,' or 'percolates.' Also, consider using synonyms for common words like 'impurities' (e.g., contaminants, sediments) to enhance the lexical richness of your writing.

Grammatical Range & Accuracy

The report demonstrates a basic understanding of grammar, but there are noticeable errors that affect clarity. Pay attention to subject-verb agreement (e.g., 'process starts of' should be 'process starts off'), correct article usage (e.g., 'a 4 purification process' should be 'a four-stage purification process'), and proper tense consistency. Review and correct these errors to improve the overall grammatical accuracy of your writing.

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