Question

1. a) Describe an activity to demonstrate that warm air is lighter than cool
air.(Draw diagram)​

Answer 1

Answer:

Answer. Take two paper bags of the same size and hang them in inverted position on the two ends of a wooden stick. ... 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.

Answer 2

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