Question

describe an activity to show that air expand on heating

Answer 1

Hey mate!

Here is your answer:-

Take a bottle and cut it from the bottom and set a balloon on the top of the bottle .Now take a candle and burn it and keep it in the bottom of the bottle.But remember don't let the candle to go too close to the balloon.You will then observe that balloon is expanding.This proves that air expands on heating.

Hope it will help you.
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Answer 2

place a bottle with water on a burner and also fit a balloon on its top .turn on the burner . in other bottle place another balloon and leave it .
u will see that the first bottle's balloon will began to expand and the cold water balloon will not .
This is bcz the water vapour(air) expand on heating .
from the above experiment v come to know that air expands on heating .
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hope it helps ......☺☺☺
plz mark it as brainliest.