CBSE Class 6 Science A Journey through States of Water (Class 6 NCERT New) Quiz 14

1. Which state of water has neither a definite shape nor a definite volume?

A Solid B Liquid C Gas D Plasma 5 Ice

2. When water freezes, its volume:

A Decreases B Increases C Stays the same D Disappears 5 Becomes zero

3. The main theme of the chapter is to explore:

A The chemical formula of water B The different states and changes of state of water C The history of water usage D How to find water in the desert 5 The cost of water

4. Activity 8.6 is designed to help understand the:

A Interconversion of states of water B Weight of different states C Taste of different states D Speed of sound in water 5 Colour of water

5. The process where a liquid gains heat and turns to gas is:

A Condensation B Evaporation C Freezing D Melting 5 Sublimation

6. The process where a gas loses heat and turns to liquid is:

A Evaporation B Condensation C Melting D Freezing 5 Deposition

7. The process where a liquid loses heat and turns to solid is:

A Melting B Freezing C Evaporation D Condensation 5 Boiling

8. The process where a solid gains heat and turns to liquid is:

A Freezing B Melting C Evaporation D Condensation 5 Sublimation

9. In the context of water, what is "steam"?

A Liquid water droplets in air B Visible water vapour with tiny droplets C Invisible gas D Solid ice particles 5 Hot air

10. What is the primary source of water vapour in the air around us?

A Volcanoes B Evaporation from water bodies C Breathing of animals D Melting of ice 5 Condensation on surfaces