What happened with the balloon when you pulled the plunger upward?
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What happened with the balloon when you pulled the plunger upward?
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What happened with the balloon when you pulled the plunger upward?
If you press on the plunger, you increase the pressure of the air and thus the air in the balloon contracts or decreases its volume. You should have seen the air-filled balloon shrivel up and get smaller in size. The opposite happens when you close the opening of the syringe and pull the plunger back.
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