how will you show that warm air liter than cold air
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Answer:
Take two paper bags of the same size and hang them in inverted position on the two ends of a wooden stick.
Tie a thread in the centre of the stick and hold the stick by the thread to balance it.
Place a burning candle below one of the bags.
The bag above the candle goes up, as the air above the candle becomes warm, it rises, and pushes the bag up.
These are the ways to say that warm air is lighter than cold air
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Answer:
Hot air is lighter than cold air.
Explanation:
when air gets heated up it expands and becomes less dense than the air surrounding it also the distance between the molecules increases. So the less dense air floats in the much denser air just like ice floats on water as ice is less dense than water.
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