Last Thursday a science man came to our school to show us some cool experiments. My favourite were the liquid nitrogen ones. I loved the frozen marshmallows they tasted like ice cream, yum! I also liked the balloon one where he put the balloon in the liquid nitrogen and the balloon deflated and then when he took it out again it slowly started to inflate again, it was so cool!
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| Balloon in the liquid nitrogen |
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| Elephant toothpaste |
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| Frozen marshmallows |
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