Today we had two experiments to see if we could prove that air takes up space. One of the experiments had a cup with a paper towel in it. We turned the cup over and pushed it down into water and the paper towel stayed dry! That's how we know that air is matter because it pushed out the water because it was taking up that space.
In the second experiment, we took a plastic cup and cork. We dunked it into a huge tank of water and watched to see if the cork would float to the top or stay at the bottom of the cup. The cork stayed on the bottom of the cup because air took up space and wouldn't let the water come in.
Today was a super, awesome day!
By Cowan and Jake
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