1. Why is observation considered the first step of scientific investigation?
2. What is the difference between an observation and an inference? Give one example of each.
3. Why should an experiment be repeated several times before accepting its results?
4. Explain the importance of a control setup in an experiment.
5. Why can scientific knowledge change over time?
6. Why is classification essential in biology? What difficulties would arise if organisms were not classified?
7. Explain why a whale is classified as a mammal and not as a fish, even though it lives in water.
8. Two organisms look different but belong to the same group. How is this possible? Explain with an example.
9. Why are fungi placed in a separate kingdom instead of being grouped with plants?
10. Explain how adaptation and diversity are related.
11. What is mindful eating? How is it different from simply eating food?
12. Explain the role of fibre in our diet. Why is fibre called a protective nutrient?
13. A child eats only chips, soft drinks, and chocolates every day. Predict the long-term effects on the child's health.
14. Differentiate between hunger and appetite.
15.Why is drinking enough water considered an important part of mindful eating?
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