MATERIALS NEEDED: soda bottle balloon water sauce pan hot plate STEPS TO FOLLOW: Put the balloon over the top of the soda bottle. Place the bottle in the saucepan. Add some water to the pan Put the pan on the hot plate and heat the water.

Click for QT movie. (433K) Click for QT movie. (115K) Observe. (As the water heats up, the balloon inflates.)

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Last modified: Thu Oct 23 16:00:47 PDT 1997

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