We learned about density in science class. Faster particles of matter take up more space and have less density. If you heat stuff up-it becomes less dense. That is why hot air rises. We made hot air balloons to prove this fact.
Five groups were given tissue paper, glue and lot of instruction of how make a hot air balloon. After putting it all together, each group named their balloons: Penguin, Bob, UFO, Holy Angel, and the Atomic Fireball We were then given some time to decorate them too. They had to dry completely until the next day - the BIG LAUNCH day.
- Reported by the whole 4N class
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