Band 6.0 IELTS Writing Task 1 Model Answer

Overall Band Score: 6.0 · IELTS Momentum Workout · 2026-09-08

IELTS Writing Task 1 question

The diagram below shows how a mechanical arm works, and how the joints that make up the arm function in the same way as those in a human arm. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

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Student answer (Band 6.0)

The data illustrates the diagram of a mechanical arm and how it works also it describes how the joints make the arm work just like a human arm.

Overall, it is visible that motor is the most used part in the artificial arm also other substances are gripper, elbow, wrist, pivot, base and shoulder.

First look at the diagram reveals that the whole arm stand on base which is usually stationary or occasionally movable the shoulder which is also known as riser or lower arm which is connected to the base. The pivot which enables arm to rotate is jointed to the base and shoulder so the arm can make movements easily.

Further analysis of the picture reflects that an rod from shoulder is connected to the elbow which allows the movement and provides flexibility to the joint. From elbow the wrist is connected which allows gripper with built-in sensors to control force. All the joints in Shoulder, in elbow and in gripper the advanced motors are connected which controls by the computer .

AI examiner evaluation

CriterionBand
Task Achievement / Task Response6.0
Coherence and Cohesion6.0
Lexical Resource6.0
Grammatical Range and Accuracy5.5
Overall6.0

Task Achievement / Task Response — Band 6.0

The response covers the main features of the mechanical arm, identifying the key components like the base, shoulder, elbow, and gripper. However, the comparison to the human arm is mentioned in the introduction but not developed in the body paragraphs. The description of how the arm functions is somewhat superficial, focusing on listing parts rather than explaining the mechanical process clearly. To reach a higher band, you should integrate the comparison more effectively throughout the text and provide a more precise description of the mechanical interactions between the components.

Coherence and Cohesion — Band 6.0

The essay is organised into paragraphs, which helps the reader follow the structure. However, the use of cohesive devices is somewhat mechanical and repetitive (e.g., 'First look at', 'Further analysis of'). Some transitions are missing or awkward, such as the abrupt start to the second paragraph. The referencing is occasionally unclear, particularly when describing the connections between the joints. Improving the variety of linking words and ensuring that each paragraph has a clear topic sentence would enhance the flow and logical progression of your writing.

Lexical Resource — Band 6.0

You have used a range of vocabulary relevant to the topic, such as 'stationary', 'pivot', 'flexibility', and 'sensors'. However, there are some inaccuracies in word choice and collocation, such as 'the whole arm stand on base' (should be 'stands on a base') and 'controls by the computer' (should be 'controlled by the computer'). The vocabulary is adequate for the task but lacks the precision and sophistication required for higher bands. Focusing on accurate word forms and more natural collocations will help improve your score in this area.

Grammatical Range and Accuracy — Band 5.5

The response contains a mix of simple and complex sentence structures. There are several grammatical errors that occur throughout the text, such as subject-verb agreement issues ('the whole arm stand') and passive voice errors ('controls by the computer'). Punctuation is also inconsistent, with some missing commas that would help clarify the meaning of your sentences. While these errors do not completely impede communication, they are frequent enough to prevent a higher score. You should focus on proofreading for basic grammatical accuracy and ensuring consistent use of verb tenses.

See this exact question answered at other band scores — the same prompt compared across bands.

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