Question

Describe an activity to demonstrate that warm air is lighter than cool air.

Answer 1

Activity:

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.

Answer 2

hello!

here is the procedure you need to follow to demonstrate that warm air is lighter than cool air

• 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.

hope this helps

please mark it brainliest