Question

write an activity to show how air expands on heating ​

Answer 1

Explanation:

Activity I

• Observation: When the bottle is placed in hot water, the balloon expands. When the bottle is placed in cold water, it contracts.
• Inference: This happens because when the bottle is placed in hot water, the air in it becomes warm and expands due to which balloon also expands.

Answer 2

Answer:

Activity

Observation: When the bottle is placed in hot water, the balloon expands. When the bottle is placed in cold water, it contracts.

Inference: This happens because when the bottle is placed in hot water, the air in it becomes warm and expands due to which balloon also expands.