Chapter-Chapter 4. The World of Metals and Non-Metals Science Curiosity class 7 in english Medium CBSE Notes

Chapter 4: The World of Metals and Non-Metals – Assignments

1 Mark Questions:

Q1. What are metals?

Q2. What are non-metals?

Q3. What is lustre?

Q4. What is malleability?

Q5. What is ductility?

Q6. What is corrosion?

Q7. What is rusting?

Q8. What is an alloy?

Q9. Name one good conductor of electricity.

Q10. Name one insulator.

2 Marks Questions:

Q1. Define metals with two examples.

Q2. Define non-metals with two examples.

Q3. Write two properties of metals.

Q4. Write two properties of non-metals.

Q5. What is malleability and ductility?

Q6. What is corrosion? Why is it harmful?

Q7. What is rusting? Give one example.

Q8. What are alloys? Give two examples.

Q9. What are conductors and insulators?

Q10. Write two uses of metals in daily life.

3 Marks Questions:

Q1. Explain the properties of metals and non-metals.

Q2. Differentiate between metals and non-metals.

Q3. Explain corrosion and its prevention methods.

Q4. Describe the uses of metals and non-metals.

Q5. Explain the concept of alloys with examples.

Q6. Write differences between conductors and insulators.

Q7. Explain rusting and how it can be prevented.

Q8. Describe exceptions in properties of metals and non-metals.

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