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| The balloon did indeed inflate because the air particles expanded when heated and had nowhere else to go! |
Here are the videos that the group decided to use to demonstrate expansion and contraction:
Wednesday 14 May 2014
Expansion and Contraction
Today, we learned about how heating something up can make it expand, while cooling it down will make it contract. In expansion, the particles are moving more, so spread out. In contraction, the particles slow down so can get closer together without actually touching.
Here are the videos that the group decided to use to demonstrate expansion and contraction:
Here are the videos that the group decided to use to demonstrate expansion and contraction:
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