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Fix a balloon over the neck of a bottle and put the bottle in hot water. Explore what will happen? Class 8

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Science Class 8 Science 115 views May 12, 2026 Reviewed & updated Sep 17, 2026
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Fix a balloon over the neck of a bottle and put the bottle in hot water. Explore what will happen? Class 8

Fix a balloon over the neck of a bottle and put the bottle in hot water. Explore what will happen? Class 8

Answer:

Balloon on bottle in hot water:

What happens:

  1. The balloon inflates on its own!

Why:

  1. Hot water heats the air inside the bottle.

Warm air expands and pushes into the balloon, making it blow up. This shows that gases expand when heated.

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