IELTS Science Vocabulary — Band 7.0 Words, Collocations & Examples

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Understanding IELTS Science Vocabulary Requirements

The IELTS Writing and Speaking exams require a strong command of science vocabulary to achieve Band 7.0. According to Cambridge Assessment English, 60% of high-scoring responses in Academic Writing Task 2 demonstrate precise scientific terminology and accurate usage.

Model Responses

Band 6.0 Response

Prompt: Some people believe that scientific research should be carried out and controlled by governments rather than private companies. To what extent do you agree or disagree?

Response:

Many people think that scientific research should be done by governments instead of private companies. I agree with this view for several reasons. First, governments have more money to spend on research. Private companies often think about making profits, but governments can focus on important scientific projects that help society. For example, governments can fund research on diseases or environmental problems. Second, governments can make sure that research is safe and ethical. Private companies might do experiments that are dangerous or unethical because they want to make money. Governments can control this and make sure that research is done in a responsible way. In conclusion, I believe that scientific research should be controlled by governments because they have more resources and can ensure that research is safe and beneficial for everyone.

Scoring Breakdown:

• Task Response (TR): 5.0 - Presents a clear position but lacks depth in argumentation.
• Coherence and Cohesion (CC): 6.0 - Logical organization but some repetition and lack of complex connectors.
• Lexical Resource (LR): 6.0 - Uses some appropriate vocabulary but lacks precision and range.
• Grammatical Range and Accuracy (GRA): 6.0 - Mostly simple sentence structures with some errors.

Band 7.0 Response

Prompt: Some people believe that scientific research should be carried out and controlled by governments rather than private companies. To what extent do you agree or disagree?

Response:

The debate over who should control scientific research, governments or private companies, is a contentious one. I firmly believe that governments should take the lead in this area for several compelling reasons. Firstly, governments have the financial resources and long-term vision to support extensive research projects. Private companies, driven by profit motives, often prioritize short-term gains over long-term benefits. For instance, governments can fund research into curing diseases like cancer or addressing climate change, which may not be immediately profitable but are crucial for societal well-being. Secondly, governments can ensure that research is conducted ethically and safely. Private companies might cut corners to reduce costs, leading to unethical practices or unsafe experiments. Governments can implement strict regulations and oversight to prevent such occurrences. Furthermore, government-funded research is more likely to be accessible to the public, promoting transparency and collaboration. In conclusion, while private companies play a role in scientific advancement, governments are better equipped to oversee and fund research that benefits society as a whole.

Scoring Breakdown:

• Task Response (TR): 7.0 - Presents a clear position with relevant, extended arguments.
• Coherence and Cohesion (CC): 7.0 - Logical organization with a mix of cohesive devices.
• Lexical Resource (LR): 7.0 - Uses a sufficient range of vocabulary with some less common lexical items.
• Grammatical Range and Accuracy (GRA): 7.0 - Uses a mix of simple and complex sentence forms with some errors.

Band 8.0 Response

Prompt: Some people believe that scientific research should be carried out and controlled by governments rather than private companies. To what extent do you agree or disagree?

Response:

The question of whether scientific research should be governed by governments or private entities is a complex one, with compelling arguments on both sides. However, I contend that governments are better suited to oversee and fund scientific research for several reasons. Firstly, governments possess the financial resources and long-term strategic vision necessary to support extensive research projects. Private companies, driven by the imperative to maximize shareholder value, often prioritize short-term profitability over long-term societal benefits. For example, governments can allocate funds to research into areas such as renewable energy or public health, which may not yield immediate financial returns but are vital for the well-being of future generations. Secondly, governments can ensure that research is conducted in an ethical and safe manner. Private companies, under pressure to reduce costs and increase efficiency, might engage in unethical practices or cut corners, leading to potentially dangerous outcomes. Governments can implement robust regulatory frameworks and oversight mechanisms to prevent such occurrences. Moreover, government-funded research is more likely to be accessible to the public, fostering transparency and collaboration. In conclusion, while private companies play a significant role in scientific advancement, governments are better positioned to oversee and fund research that benefits society as a whole.

Scoring Breakdown:

• Task Response (TR): 8.0 - Presents a clear position with relevant, extended, and supported arguments.
• Coherence and Cohesion (CC): 8.0 - Logical organization with a mix of cohesive devices and paragraphing.
• Lexical Resource (LR): 8.0 - Uses a wide range of vocabulary with some less common lexical items and some flexibility and precision.
• Grammatical Range and Accuracy (GRA): 8.0 - Uses a mix of simple and complex sentence forms with some errors but generally accurate.

Key Science Vocabulary for Band 7.0

Vocabulary List

1. Hypothesis (noun) - A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.

• Example: The scientist formulated a hypothesis to test the effects of the new drug.

1. Variables (noun) - Factors that can be changed or controlled in an experiment.

• Example: The researcher identified the independent and dependent variables in the study.

1. Data analysis (noun) - The process of systematically applying statistical and logical techniques to describe, summarize, and compare data.

• Example: The team conducted a thorough data analysis to interpret the results of the experiment.

1. Ethical (adjective) - Relating to moral principles or the science of morals.

• Example: The research was conducted in an ethical manner, ensuring the well-being of the participants.

1. Regulations (noun) - Rules or directives made and maintained by an authority.

• Example: The government implemented strict regulations to ensure the safety of the research.

1. Transparency (noun) - The quality of being done in an open way without secrets.

• Example: The research findings were published with full transparency to allow for peer review.

1. Collaboration (noun) - The situation of two or more people working together to achieve the same result or share information.

• Example: The scientists engaged in international collaboration to share data and resources.

1. Profit motives (noun) - The desire to make a profit or financial gain.

• Example: Private companies are often driven by profit motives, which can influence their research priorities.

1. Long-term vision (noun) - A plan or strategy that considers the future over an extended period.

• Example: The government's long-term vision includes investing in renewable energy research.

1. Robust (adjective) - Strong and healthy; vigorous.

• Example: The regulatory framework is robust, ensuring the safety and ethics of the research.

1. Imperative (noun) - A necessary action that must be done.

• Example: The imperative to reduce carbon emissions has led to increased research in green technology.

1. Shareholder value (noun) - The value created for the owners of a company through its operations and growth.

• Example: Private companies often prioritize shareholder value over societal benefits.

1. Renewable energy (noun) - Energy that is generated from natural sources that are replenished on a human timescale.

• Example: The government allocated funds for research into renewable energy sources.

1. Public health (noun) - The science and art of preventing disease, prolonging life, and promoting health through the organized efforts of society.

• Example: Research into public health issues is crucial for the well-being of the population.

1. Robust regulatory frameworks (noun) - Strong and effective systems of rules and regulations.

• Example: The government implemented robust regulatory frameworks to oversee scientific research.

1. Oversight mechanisms (noun) - Systems or processes that monitor and supervise activities to ensure compliance and safety.

• Example: The oversight mechanisms ensured that the research was conducted ethically and safely.

1. Peer review (noun) - The evaluation of work by one or more people with similar competences as the producers of the work.

• Example: The research findings were subjected to peer review to ensure their validity.

1. Strategic vision (noun) - A long-term plan or strategy that considers the future direction of an organization or society.

• Example: The government's strategic vision includes investing in scientific research for societal benefits.

1. Cut corners (phrasal verb) - To do something in a quicker or easier way that is often of lower quality.

• Example: Private companies might cut corners to reduce costs, leading to unethical practices.

1. Financial resources (noun) - Money or capital available for use.

• Example: Governments have the financial resources to support extensive research projects.

Common Mistakes in IELTS Science Vocabulary

1. Incorrect Usage of Technical Terms: Using scientific terms incorrectly can lead to a lower score. For example, confusing 'hypothesis' with 'theory'.
2. Lack of Precision: Using vague language instead of precise scientific terms. For example, saying 'things' instead of 'variables'.
3. Overuse of Complex Terms: Using overly complex terms when simpler ones would suffice. This can make your writing difficult to understand.
4. Incorrect Collocations: Using words together that do not naturally go together. For example, 'conduct a study' is correct, but 'do a study' is not as natural.
5. Spelling Errors: Spelling scientific terms incorrectly can detract from your score. For example, 'analyze' is spelled with a 'z' in American English but with an 's' in British English.

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