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14 Cards in this Set
- Front
- Back
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properties
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the unique characteristics of matter
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measurement system
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a way that people measure things
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chemist
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a scientist who studies the properties of matter
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cycle of matter
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when matter changes to a different form, and then changes back to its original form, over and over again
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solid
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a substance whose molecules are packed close together and can barely move
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mixture
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two or more substances mixed together
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melting
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the process that turns ice into water
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states of matter
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the different forms that matter can be: gas, liquid, or solid
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atoms
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the basic parts of matter
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gas
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matter whose molecules move so fast that they fly away from one another in random directions
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liquid
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matter whose molecules are packed close together, but move fast enough to have some freedom and not confined to certain shapes
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mass
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the amount of matter in an object
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matter
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anything that takes up space and that we can see, smell, taste, hear, or touch
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molecule
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two or more atoms connected together
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