What is happening to the balloon in these experiments?
Md Ariful Islam
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Dr. Md Rushad Rahman
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As you heat the air inside the balloon, it expands to take up more volume. This pushes the walls of the balloon out, making it bigger. When you cool the air inside the balloon, the opposite happens. The air contracts to take up less volume, which allows the walls of the balloon to contract as well. This makes the balloon smaller.
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