Science, asked by jiya23494, 19 days ago

write an activity to show that air expands on heating and contracts on cooling class 7 NCERT​

Answers

Answered by johandamian776
4

Answer:

Activity I

Materials Required: balloons, trough, ice cold water, hot water, bottle.

Method: Take a bottle. Tie the balloon tightly on the neck of the bottle. Place the bottle in a container having hot water. Record your observation. Now place the bottle in cold water. Again observe.

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