Chapter-Chapter 5. Changes Around Us–Physical and Chemical Science Curiosity class 7 in english Medium CBSE Notes

Chapter 5: Changes Around Us – Physical and Chemical – Assignments

1 Mark Questions:

Q1. What is a change?

Q2. What is a physical change?

Q3. What is a chemical change?

Q4. What is a reversible change?

Q5. What is an irreversible change?

Q6. What is evaporation?

Q7. What is condensation?

Q8. What is rusting?

Q9. Give one example of a physical change.

Q10. Give one example of a chemical change.

2 Marks Questions:

Q1. Define physical change with two examples.

Q2. Define chemical change with two examples.

Q3. Differentiate between physical and chemical changes.

Q4. What are reversible and irreversible changes?

Q5. Explain evaporation and condensation.

Q6. What is rusting? Why is it harmful?

Q7. Write two characteristics of chemical change.

Q8. Write two characteristics of physical change.

Q9. Why is formation of new substance important?

Q10. Give two examples of changes in daily life.

3 Marks Questions:

Q1. Explain physical and chemical changes with examples.

Q2. Differentiate between reversible and irreversible changes.

Q3. Explain the process of evaporation and condensation.

Q4. Describe rusting and its prevention methods.

Q5. Explain how to identify a chemical change.

Q6. Describe the importance of changes in daily life.

Q7. Explain examples of physical and chemical changes in daily life.

Q8. Write differences between physical change and chemical change.

Class 7, all subjects CBSE Notes in english medium, cbse class 7 Science Curiosity notes, class 7 Science Curiosity notes english medium, cbse 7 Science Curiosity cbse notes, class 7 Science Curiosity revision notes, cbse class 7 Science Curiosity study material, ncert class 7 science notes pdf, class 7 science exam preparation, cbse class 7 physics chemistry biology notes