NCERT Class 6 Science Chapter 8 A Journey through States of Water MCQ Questions with Answers

NCERT Class 6 Science Chapter 8 A Journey through States of Water MCQ Questions with Answers

Class 6 Science Chapter 8 MCQs

1. Water exists in how many states?
A. One
B. Two
C. Three
D. Four
Answer: C

2. Ice is the ______ state of water.
A. Liquid
B. Solid
C. Gas
D. Plasma
Answer: B

3. Water vapour is the ______ state of water.
A. Solid
B. Liquid
C. Gas
D. Metal
Answer: C

4. The process of changing water into water vapour is called:
A. Condensation
B. Evaporation
C. Freezing
D. Melting
Answer: B

5. The process of changing water vapour into liquid water is called:
A. Evaporation
B. Melting
C. Condensation
D. Sublimation
Answer: C

6. Ice changes into water by:
A. Freezing
B. Melting
C. Condensation
D. Boiling
Answer: B

7. Water freezes at:
A. 100°C
B. 50°C
C. 0°C
D. 25°C
Answer: C

8. Water boils at:
A. 0°C
B. 50°C
C. 100°C
D. 150°C
Answer: C

9. Which factor increases the rate of evaporation?
A. Low temperature
B. High temperature
C. No air movement
D. High humidity
Answer: B

10. Drying of wet clothes in sunlight is an example of:
A. Condensation
B. Freezing
C. Evaporation
D. Melting
Answer: C

11. Clouds are formed due to:
A. Evaporation only
B. Condensation of water vapour
C. Freezing of water
D. Melting of ice
Answer: B

12. Which of the following is an example of condensation?
A. Ice cream melting
B. Water droplets forming on the outside of a cold glass
C. Water boiling
D. Clothes drying
Answer: B

13. The continuous movement of water in nature is called:
A. Rock cycle
B. Water cycle
C. Carbon cycle
D. Nitrogen cycle
Answer: B

14. Which state of water has a fixed shape?
A. Solid
B. Liquid
C. Gas
D. None
Answer: A

15. Which process is responsible for rainfall?
A. Evaporation only
B. Condensation followed by precipitation
C. Melting only
D. Freezing only
Answer: B