Question

3. Why does a balloon become bigger if air is blown into it?
4. Why does a football become heavier when air is blown into it?​

Answer 1

Answer:

because air contain space.

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Answer 2

Answer:

Hope it helps . :)

Explanation:

3)Gas particles exert pressure on the walls of the container in which the gas is filled. When a balloon is inflated, the air inside it expands, thereby exerting pressure on the walls of the balloon. As a result, the size of the balloon increases.

4)When we fill air in football weight of football and air is combine and it makes it heavier but if we filled less or half air in a football. It applies force in an upward direction. Due to applying force in an upward direction less air football or half-filled football became heavier