EASY
3rd CBSE
IMPORTANT
Earn 100

What is water vapour?

Important Questions on Solids, Liquids, and Gases

MEDIUM
3rd CBSE
IMPORTANT
When a steel glass of ice-cold water is kept out in the open for some time, tiny droplets of water are seen on its surface. Why does this happen? 
EASY
3rd CBSE
IMPORTANT
In how many forms can materials exist? Describe them.
EASY
3rd CBSE
IMPORTANT
Describe how water changes form from liquid to solid, and from solid to liquid.
MEDIUM
3rd CBSE
IMPORTANT
When a liquid is heated, it evaporates faster. Can you think of situations when this is useful and when it can be a problem?
MEDIUM
3rd CBSE
IMPORTANT
It rained early in the morning one day. Faizal saw a puddle of water on the footpath while walking to school. But the puddle was gone by the time he walked back home. What happened to the water in the puddle?
 
MEDIUM
3rd CBSE
IMPORTANT

Look at the pictures and write the names of the processes involved next to the correct numbers.

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