Band 6.0 IELTS Writing Task 1 Model Answer

Overall Band Score: 6.0 · Cambridge IELTS 12 · 2026-10-27

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 6.0)

The diagram illustrates the working process of a geothermal plant through which it produces electricity.

Overall, the process consitutes of 5 steps from the starting with injection of cold water then by undergoing several steps to making it into electricity.

To commence with, Firstly we take cold water from a conatiner and pump it down through the ingestion well laid deep in ground till upto 4.5 km . After that the water sit in Geothermal zone(hot rocks) till it gets hot. Moving onto the water is then extracted back upwards through the production well. Followingly this hot water is passed through a condenser to convert it into steam. Lastly the hot steam acts as a fuel for turbine which help it rotate which inturn power up generator connected to our turbine to produce current, which is then travels through the electricity transmission tower.

AI examiner evaluation

CriterionBand
Task Achievement / Task Response6.5
Coherence and Cohesion6.5
Lexical Resource5.5
Grammatical Range and Accuracy5.5
Overall6.0

Task Achievement / Task Response: Band 6.5

You cover the main stages in the correct order, from pumping cold water down to 4.5 km, through the hot-rock zone, and back up to the surface before steam drives the turbine and generator. The opening overview also identifies a five-step process, and the account is relevant throughout. However, the overview is vague about the overall transformation, and some details are unclear: the water is not described as simply sitting in the geothermal zone, and the condenser’s role in producing steam could be stated more precisely. The final transmission stage is mentioned, but the response does not clearly explain that electricity is carried away through power lines. The response is also 7 words below the required minimum. More precise coverage and a little development would strengthen the summary.

Coherence and Cohesion: Band 6.5

The response has a recognisable structure: an introduction, an overview, and a chronological description of the process. Sequencing expressions such as “To commence with,” “After that,” and “Lastly” help the reader follow the stages. However, several transitions are awkward or mechanical, including “Moving onto” and “Followingly,” and “To commence with, Firstly” repeats the same function. Some links between ideas are also unclear: the sentence beginning “Lastly” combines the steam, turbine, generator, and electricity transmission in a long chain, making the relationships harder to follow. Use fewer, more natural connectors and separate the final stages into clearer sentences. This would make the progression smoother while retaining the effective overall order.

Lexical Resource: Band 5.5

You use relevant process vocabulary, including “injection well,” “production well,” “geothermal zone,” “condenser,” and “turbine,” which makes the subject clear. There is also some attempt to vary wording, for example “extracted back upwards” and “acts as a fuel.” However, several choices are inaccurate or unnatural: “ingestion well” is not the correct technical term, “container” is less precise than “tank,” and “power up generator” and “produce current” are awkward in this context. Spelling errors such as “consitutes” and “conatiner” also reduce accuracy. Aim for precise process collocations and check spelling; this will make the description clearer and more appropriately formal.

Grammatical Range and Accuracy: Band 5.5

You attempt both simple and more extended sentence forms, and the sequence is generally understandable. Some grammatical control is evident in clauses such as “After that the water sit in Geothermal zone … till it gets hot,” but errors in verb form and sentence construction remain. For example, “the water sit” should be “the water passes” or “the water is heated,” while “which help it rotate” needs subject–verb agreement (“which helps it rotate”). The final sentence also shifts awkwardly between clauses: “which is then travels” should be “which then travels.” Punctuation and sentence boundaries need attention, particularly in the long final sentence. More accurate verb forms and clearer clause structures would improve readability.

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