Does Air Have Matter?

How we did it:
Materials List
- plastic gallon bag / large ziplock bag
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We only needed curiosity and silliness to find answers to this investigation! Does air have matter? We were going to find out with a plastic bag.
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We opened the bag with flair....
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...and scooped in air (we didn't blow it in!, just scooped).
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Then we sealed the bag up tightly.
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Then we put the bag to the test! The gas molecules pushed to get out.... we pressed against the gas to see if we could force it out.
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Again.
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And again.
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And again.
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And again.
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....and again. And we didn't push it out. "Does air have matter, Maddie?" I asked.
"Yes!"
"How do you know?"
"Because air takes up space!" Air definitely has matter!