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takes up space and has mass |
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what we observe about matter |
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what we use to observe physical properties |
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packed tightly together; "vibrate" in place |
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spread out a little; move all around and over each other |
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have no definite shape; fill the space they are in |
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spread far out; move all around |
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A change from a liquid to gas |
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A change from a gas to a liquid |
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Water falling back to earth |
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What is needed for evaporation to happen |
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What is needed for condensation to happen |
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Fluffy,cotton, ball-like cloud |
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Clouds low to the ground like fog |
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High, wispy, hair like clouds |
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Billions of water droplets packed together |
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