Band 6.5 IELTS Writing Task 1 Model Answer

Overall Band Score: 6.5 · Cambridge IELTS 12 · 2026-07-24

IELTS Writing Task 1 question

The diagram below shows how geothermal energy is used to produce electricity.

Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

Student answer (Band 6.5)

The usage of geothermal energy to produce electricity is depicted in the following diagram .

Initially , the cold water goes down in the ground for about four and half kilometers and then it goes to the injection well. The cold water reaches the geothermal zone where there are hot rocks. The water become hot and then it goes to the next side which is production well.

Meanwhile, the water is in production well the water is pumped up to the outer side of the ground. Now the water goes in the condenser where the hot water is converted into the steam. Moreover, in the last step steam goes in the turbine and the turbine is connected to the generator which generates electricity. And then the electricity flows in the towers to our homes and other places.

Conclusion, the process of making electricity from geothermal energy involves few steps .

AI examiner evaluation

Task Achievement / Task Response — Band 6.5

The response covers the main stages of the geothermal energy process, from the injection of cold water to the final distribution of electricity. However, the description is somewhat mechanical and lacks a clear overview or summary of the process as a whole. While the key features are identified, the response would benefit from a more cohesive introduction that highlights the cyclical nature of the system. The conclusion is also quite brief and does not add significant value to the summary. To improve, ensure you clearly state the main stages in a logical flow and provide a more comprehensive overview of the transformation process.

Coherence and Cohesion — Band 6.5

The response is organised into paragraphs, which helps the reader follow the sequence of events. However, the use of cohesive devices is somewhat repetitive and basic (e.g., 'Initially', 'Moreover', 'And then'). The transition between the injection phase and the production phase could be smoother. The referencing is generally clear, but the overall progression of ideas feels a bit disjointed at times. To reach a higher band, try to use a wider variety of linking words and phrases to connect sentences and ideas more naturally, rather than relying on simple sequential markers.

Lexical Resource — Band 6.0

The vocabulary is adequate for the task but remains quite limited and repetitive. Terms like 'goes down', 'goes to', and 'goes in' are used frequently, which lacks the precision required for a technical description. There is an attempt to use subject-specific vocabulary such as 'geothermal zone', 'injection well', 'condenser', and 'generator', which is positive. However, the range is not sufficient to demonstrate flexibility or a sophisticated control of language. Incorporating more precise verbs and technical collocations would significantly enhance the quality of the response.

Grammatical Range and Accuracy — Band 6.0

The response contains a mix of simple and some complex sentence structures. There are several grammatical errors, such as 'The water become hot' (subject-verb agreement) and 'goes down in the ground' (preposition usage). Additionally, there are issues with article usage, such as 'in the condenser' and 'in the turbine', which should be 'into the condenser' or 'into the turbine'. While these errors do not completely impede communication, they are frequent enough to affect the overall fluency. Focusing on subject-verb agreement and correct prepositional phrases will help improve accuracy.

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