CBSE Class 6 Science A Journey through States of Water (Class 6 NCERT New) Quiz 13

1. What is the key factor for evaporation to occur?

A A cold temperature B Heat (can be at room temperature) C High pressure D A closed container 5 A dark room

2. On a hot day, evaporation is:

A Slower B Faster C The same as a cold day D Not possible 5 Reversed

3. On a windy day, evaporation is:

A Slower B Faster C Unaffected D Stops completely 5 Causes condensation

4. Drying clothes on a windy day is faster because:

A Wind increases evaporation B Wind decreases temperature C Wind adds water to the clothes D Wind freezes the clothes 5 Wind makes the clothes heavier

5. Sweating cools our body because:

A Sweat is cold B Evaporation of sweat absorbs heat from our body C Sweat blocks pores D Sweat contains ice 5 Sweat condenses on the skin

6. What is the primary way to change a liquid to a gas?

A Cooling it B Heating it C Adding salt D Stirring it 5 Putting it in a larger container

7. What is the primary way to change a gas to a liquid?

A Heating it B Cooling it C Adding pressure D Removing air 5 Shaking it

8. The term "states of water" refers to its:

A Chemical composition B Physical forms (solid, liquid, gas) C Geographical locations D Taste and smell 5 Purity levels

9. Which state of water has the least dense arrangement of molecules?

A Solid B Liquid C Gas D All are the same 5 It depends on temperature

10. Which state of water has a definite volume but no definite shape?

A Solid B Liquid C Gas D Plasma 5 All states