scienceassessment10 - TutorMe

Grade 10 Science Assessment

Instructions: Answer each question carefully. Write your answer in the space provided.

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1. What is the difference between a hypothesis and a theory in scientific research?

2. Define homeostasis and provide an example of how it is maintained in the human body.

3. What are the four main types of macromolecules found in living organisms?

4. Explain the process of photosynthesis, including its overall chemical equation.

5. What is the law of conservation of energy?

6. Describe the structure of an atom, including its subatomic particles.

7. What is the significance of the pH scale in biology?

8. What are enzymes, and how do they affect chemical reactions?

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9. Explain the difference between kinetic and potential energy, and give an example of each.

10. What is an ecosystem, and what are its biotic and abiotic components?

11. Define natural selection and its role in evolution.

12. What is the function of ribosomes in a cell?

13. Name one renewable energy source and one non-renewable energy source, and explain their differences.

14. What is the role of DNA in heredity?

15. Describe the water cycle and its importance to life on Earth.

16. What are trophic levels in an ecosystem?

17. Explain what a chemical reaction is and provide an example.

18. What are greenhouse gases, and how do they contribute to climate change?

19. Define biodiversity and explain why it is important for ecosystems.

20. What is the difference between mitosis and meiosis?

21. How does temperature affect enzyme activity?

22. What is a food web, and how does it differ from a food chain?

23. Explain the significance of the periodic table in chemistry.

24. What is an ion, and how does it form?

25. Describe how human activities can impact biodiversity negatively.

26. What role do decomposers play in an ecosystem?

27. Explain the process of cellular respiration, including its overall chemical equation.

28. What is climate change, and what are some of its potential effects on the environment?

29. Define osmosis and explain its importance to cells.

30. What are stem cells, and why are they significant in medical research?

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