IELTS Science Vocabulary - Band 6.0 Words, Collocations & Examples

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Achieving Band 6.0 in IELTS requires a solid grasp of science vocabulary. This guide provides essential words, collocations, and examples to help you reach your target score.

Model Answers

Band 6.0 Answer

Prompt: Some people think that space exploration is a waste of resources, while others believe it is essential for humanity's future. Discuss both views and give your opinion.

Answer:

Space exploration is a topic that has been debated for many years. On one hand, some people argue that it is a waste of resources. They believe that the money spent on space missions could be better used to solve problems on Earth, such as poverty and disease. For example, the cost of a single space mission could fund numerous hospitals or schools. Additionally, they argue that the risks involved in space exploration are too high and that accidents can result in the loss of valuable lives.

On the other hand, others believe that space exploration is essential for humanity's future. They argue that it can lead to new discoveries and technologies that can benefit people on Earth. For instance, satellite technology has revolutionized communication and navigation. Furthermore, space exploration can inspire future generations to pursue careers in science and technology, which are crucial for technological advancement.

In my opinion, space exploration is important, but it should be balanced with addressing issues on Earth. Governments should allocate funds wisely, ensuring that both space exploration and earthly problems are given due attention. By doing so, we can achieve a balance that benefits humanity as a whole.

Scoring Breakdown:

• Task Response: Band 6 - Presents a clear position throughout the response. Presents, extends, and supports main trends, arguments, or points but may not cover all parts of the task.
• Coherence and Cohesion: Band 6 - Uses cohesive devices effectively but may make some errors in cohesion or cohesion within and/or between sentences.
• Lexical Resource: Band 6 - Uses a sufficient range of vocabulary to allow some flexibility and precision. May make some errors in word choice, spelling, or collocation.
• Grammatical Range and Accuracy: Band 6 - Uses a mix of simple and complex sentence forms. May make some errors in grammar and punctuation but they do not impede communication.

Band 7.0 Answer

Prompt: Some people think that space exploration is a waste of resources, while others believe it is essential for humanity's future. Discuss both views and give your opinion.

Answer:

The debate surrounding space exploration has been ongoing for decades. Proponents of space exploration argue that it is crucial for humanity's future. They contend that it can lead to groundbreaking discoveries and technological advancements that can benefit people on Earth. For instance, satellite technology has revolutionized communication and navigation, and medical research conducted in space has led to significant breakthroughs. Moreover, space exploration can inspire future generations to pursue careers in science and technology, which are vital for technological progress.

Conversely, critics argue that space exploration is a waste of resources. They believe that the exorbitant costs associated with space missions could be better utilized to address pressing issues on Earth, such as poverty, disease, and environmental degradation. Additionally, they point out that the risks involved in space exploration are substantial, and accidents can result in the loss of valuable lives and resources.

In my view, space exploration is important, but it should be conducted responsibly and in conjunction with addressing earthly problems. Governments should allocate funds wisely, ensuring that both space exploration and terrestrial issues are given due attention. By striking a balance, we can achieve a future that benefits humanity as a whole.

Scoring Breakdown:

• Task Response: Band 7 - Presents a clear position throughout the response. Presents, extends, and supports main trends, arguments, or points, and covers all parts of the task.
• Coherence and Cohesion: Band 7 - Uses cohesive devices effectively to guide the reader. May make some errors in cohesion or cohesion within and/or between sentences but they do not impede communication.
• Lexical Resource: Band 7 - Uses a sufficient range of vocabulary to allow some flexibility and precision. May make some errors in word choice, spelling, or collocation but they do not impede communication.
• Grammatical Range and Accuracy: Band 7 - Uses a mix of simple and complex sentence forms. May make some errors in grammar and punctuation but they do not impede communication.

Band 8.0 Answer

Prompt: Some people think that space exploration is a waste of resources, while others believe it is essential for humanity's future. Discuss both views and give your opinion.

Answer:

The contentious issue of space exploration has sparked intense debate among scholars and the general public alike. Advocates of space exploration argue that it is indispensable for humanity's future. They posit that it can lead to unprecedented discoveries and technological innovations that can enhance the quality of life on Earth. For example, satellite technology has transformed global communication and navigation, while medical research conducted in space has yielded significant advancements. Furthermore, space exploration can ignite a sense of wonder and curiosity in future generations, encouraging them to pursue careers in science and technology, which are pivotal for societal progress.

Detractors, however, contend that space exploration is a frivolous expenditure of resources. They assert that the astronomical costs associated with space missions could be more judiciously allocated to tackle pressing issues on Earth, such as poverty, disease, and environmental degradation. Additionally, they highlight the inherent risks involved in space exploration, which can result in the loss of valuable lives and resources.

In my opinion, space exploration is a worthwhile endeavor, but it should be conducted judiciously and in tandem with addressing terrestrial problems. Governments should prioritize funding for both space exploration and earthly issues, ensuring a balanced approach that benefits humanity as a whole. By doing so, we can pave the way for a future that is both technologically advanced and socially equitable.

Scoring Breakdown:

• Task Response: Band 8 - Presents a clear position throughout the response. Presents, extends, and supports main trends, arguments, or points, and covers all parts of the task comprehensively.
• Coherence and Cohesion: Band 8 - Uses cohesive devices effectively to guide the reader. The use of cohesive devices is flexible and precise, and there may be some rare instances of ineffective cohesion or cohesion within and/or between sentences.
• Lexical Resource: Band 8 - Uses a wide range of vocabulary flexibly and precisely. Rare instances of ineffective word choice, spelling, or collocation may occur but they do not impede communication.
• Grammatical Range and Accuracy: Band 8 - Uses a wide range of complex sentence forms. Rare instances of ineffective grammar or punctuation may occur but they do not impede communication.

Vocabulary Highlights

Band 6.0 Vocabulary

1. Phenomenon (noun) - An observable fact or event.

• Example: The phenomenon of global warming is a pressing issue.

1. Hypothesis (noun) - A supposition or proposed explanation made on the basis of limited evidence.

• Example: Scientists formulated a hypothesis to explain the unusual data.

1. Variables (noun) - A quantity that may change within the scope of a given problem or set of operations.

• Example: The experiment involved controlling several variables.

1. Conduct experiments (verb) - To carry out a scientific procedure to make a discovery, test a hypothesis, or demonstrate a known fact.

• Example: Researchers conducted experiments to test the new theory.

1. Analyze data (verb) - To examine data in detail to discover facts or trends.

• Example: The team analyzed the data collected from the experiments.

Band 7.0 Vocabulary

1. Groundbreaking (adjective) - Introducing radically new ideas; innovative or avant-garde.

• Example: The scientist made a groundbreaking discovery in the field of genetics.

1. Contend (verb) - To maintain or assert in a debate or argument; to struggle or compete.

• Example: The researchers contended that their findings were significant.

1. Exorbitant (adjective) - Exceeding reasonable limits; extravagant.

• Example: The cost of the space mission was exorbitant.

1. Substantial (adjective) - Of considerable importance, size, or worth.

• Example: The risks involved in space exploration are substantial.

1. Strike a balance (verb) - To achieve a situation in which two opposing things are equal or in the correct proportions.

• Example: We need to strike a balance between space exploration and addressing earthly problems.

Band 8.0 Vocabulary

1. Indispensable (adjective) - Absolutely necessary; essential.

• Example: Space exploration is indispensable for humanity's future.

1. Posit (verb) - To put forward as a basis of reasoning or argument; to assume as real or true.

• Example: Advocates posit that space exploration can lead to technological innovations.

1. Ignite (verb) - To kindle or set on fire; to inspire or stimulate.

• Example: Space exploration can ignite a sense of wonder in future generations.

1. Judiciously (adverb) - In a manner that is careful and well-thought-out; prudently.

• Example: Space exploration should be conducted judiciously.

1. Pave the way (verb) - To make something possible or easier.

• Example: By addressing both space exploration and earthly issues, we can pave the way for a better future.

Common Mistakes

1. Overuse of Complex Vocabulary: Students often try to use complex words they are not familiar with, leading to errors in usage and collocation.
2. Incorrect Collocations: Using words that do not naturally go together, such as 'make a research' instead of 'conduct research'.
3. Spelling Errors: Simple spelling mistakes can detract from the overall quality of the response.
4. Lack of Precision: Using vague language instead of specific terms can make the response less effective.
5. Inconsistent Tense Usage: Shifting between tenses unnecessarily can confuse the reader and make the response harder to follow.

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