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18 Cards in this Set
- Front
- Back
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volume
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the amount of space an object takes up
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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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is anything that has mass and volume
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weight
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how strongly gravity pulls on an object
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state of matter
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is one of the three forms matter can take solid, liquid, and gas
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melting point
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at which a solid changes to a liquid
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evaporation
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the fastest particles on the surface of the liquid escape into air and become gas
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boiling point
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when liquid rapidly changes to a gas
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freezing point
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when a liquid changes into a solid
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sublimation
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a solid changes into a gas
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density
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the measure of how tightly matter is packed into an object
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element
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a substance that cannot be further simplfied
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atom
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is the smallest particle that has the properties of an element
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proton
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are located in the center of nucleus
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neutron
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located in nucleus
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electron
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located outside of nucleus
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atomic number
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number of protons in an atom
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molecule
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a particle that contains more than one atom joined together
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