Use the words to complete the sentenos. secueries [Rovigthin, Shape Lampions Air has weigh, shape and occupies space airo Experiment: weigh deflated balloon . Then influated it and weigh it again.
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Explanation:
It took mankind tens of thousands of years to figure out that air existed, let alone that it was matter. It was only in recent human history that we figured out anything about air. Proving that air is matter is analogous to today's physics experiments where you cannot see the object of your study, but have to define its properties and its existence from indirect evidence.
We define matter as something which occupies space, is effected by gravity and has weight. Make a vessel that won't collapse if there is no air inside of it. Weigh the vessel when it is full of air. Then pump all of the air out and weigh the vessel again. The difference in weight is the weight of the air.
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