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12 Cards in this Set

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freezing
the change of state from a liquid to a solid when heat is taken away
three main states of matter
solid, liquid, gas
melting
the change of state from a solid to a liquid when heat is added
Physical property
color, size, shape, etc.
expand
heat caused most matter to spread out or expand cold would make matter contract
condensation
the change of state from a gas to a liquid when heat is taken away
evaporation
the change of state from a liquid to a gas when heat is added
mixture
matter that is mixed together but keeps its own properties
matter
takes up space, has three main states, has physical properties, changes
compound
matter that has different properties than the elements from which it is made
chemical change
takes place when a compound is formed
physical change
takes place when a mixture is made