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Thursday – Daddy Day – Science Day! In the second experiment I wanted to show my daughter that air expands when it gets warmer. My favourite “science” book offered a good 5 minute experiment. Take a bottle, put a balloon over the top, put the bottle into a pot with cold water and warm up the water on the stove. Honestly I didn’t expect such a quick and clear reaction! And my daughter loved it!
Heated Air Expands
Cooled Air Contracts
The video below shows a time lapse of the first phase: