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14 Cards in this Set
- Front
- Back
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molecule
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the smallest particle of a compound that still has the properties of that compound
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mass
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the amount of matter in a solid, liquid, or gas
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volume
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the amount of space an object takes up
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atom
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the smallest part of an element that still has the properties of the element
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atomic theory
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the idea that everything is made of small particles
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compound
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a type of matter made of two or more elements
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physical change
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a change in some properties of matter without forming a different kind of matter
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gas
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a substance without a definite volume or shape
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temperature
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a measure of how fast the particles in an object are moving
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chemical change
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a change of one or more types of matter into other types of matter with different properties
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mixture
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different materials placed together, but each material keeps its own properties
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solid
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a substance that has a definite shape and volume
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solution
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a mixture in which substances are spread out evenly and will not settle
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liquid
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a substance that has a definite volume but no definite shape
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