Band 7.0 IELTS Writing Task 2 Model Answer

Overall Band Score: 7.0 · Cambridge IELTS 18 · 2026-08-05

IELTS Writing Task 2 question

The most important aim of science should be to improve people’s lives. To what extent do you agree or disagree with this statement? Give reasons for your answers and include any relevant examples from your own knowledge or experience.

 

Student answer (Band 7.0)

It is frequently argued that the primary objective of scientific endeavor should be to enhance human welfare. I completely agree with this perspective, as scientific innovation fundamentally drives economic mobility through improved employment structures and significantly elevates overall quality of life via sustainable infrastructure.

Firstly, science facilitates greater career opportunities, thereby improving individual livelihoods. Technological advancements, particularly in digital connectivity, have dismantled geographical barriers to employment. For instance, the rise of cloud computing and high-speed internet allows recent graduates to access global job markets remotely. This democratization of work enables individuals to secure stable incomes regardless of their physical location, thus strengthening both their professional trajectories and personal financial security. Consequently, science serves a vital role in reducing economic disparity by expanding access to employment.

Secondly, scientific progress is indispensable for long-term sustainable development, which directly contributes to societal well-being. Innovations in engineering and environmental science have led to the creation of efficient public transportation systems and renewable energy sources. These developments reduce pollution and lower the cost of living, making urban environments more habitable. Furthermore, medical breakthroughs driven by biological research have extended life expectancy and improved health outcomes globally. As highlighted by recent analyses in major publications, the integration of artificial intelligence in healthcare diagnostics exemplifies how science directly safeguards human health, reinforcing the notion that its ultimate aim must be beneficial to mankind.

In conclusion, I firmly believe that science should be directed towards improving people's lives. By fostering economic opportunity through technological connectivity and ensuring sustainable, healthy living conditions, science fulfills its most critical social responsibility. Therefore, prioritizing human welfare in scientific research is not only logical but essential for future progress.

AI examiner evaluation

Task Achievement / Task Response — Band 7.0

The response fully addresses the prompt by taking a clear position and supporting it with well-developed arguments. The student explores two distinct areas—economic mobility and sustainable development—to justify the importance of science in improving human lives. The ideas are extended with relevant examples, such as cloud computing and AI in healthcare, which demonstrate a strong understanding of the topic. The position is consistent throughout the essay, and the conclusion effectively synthesizes the main points. The response is well-structured and meets all requirements of the task, showing a high level of engagement with the prompt.

Coherence and Cohesion — Band 6.5

The essay demonstrates a logical flow of ideas, with each paragraph focusing on a specific aspect of the argument. Transitions between and within paragraphs are smooth and natural, using cohesive devices such as 'consequently,' 'furthermore,' and 'as highlighted by.' The paragraphing is logical, with a clear introduction, two body paragraphs, and a concise conclusion. The referencing is precise, and the progression of ideas is easy to follow. There is no evidence of mechanical or repetitive use of linking words, indicating a high level of control over the structure of the essay.

Lexical Resource — Band 6.5

The vocabulary is sophisticated and well-suited to an academic context. The student uses precise terminology such as 'scientific endeavor,' 'economic mobility,' 'democratization of work,' and 'indispensable.' The collocations are natural and accurate, showing a flexible range of vocabulary that enhances the clarity and impact of the arguments. There are no noticeable errors in word choice or spelling. The use of terms like 'safeguards' and 'fostering' demonstrates a high level of lexical control, allowing for a nuanced discussion of the topic.

Grammatical Range and Accuracy — Band 7.0

The essay displays a wide range of complex grammatical structures, including conditional-like reasoning, participial phrases, and varied sentence lengths. The majority of sentences are error-free, and the punctuation is used correctly throughout. The control over complex syntax is impressive, with no grammatical slips that impede communication. The use of passive and active voice is balanced appropriately to maintain an academic tone. The writing is fluent and demonstrates a high degree of grammatical accuracy, consistent with the requirements for a high band score.

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