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1
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A substance that changes because of a reaction with another substance. Makes a new substance.
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2
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how easily one substance reacts with another substance
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3
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describing data by observing its qualities or appearance
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4
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ability to catch on fire or burn
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5
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those that can be observed without changing the make-up, or identity, of the matter.
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6
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Appearance changes but substance does not. Can be reversed.
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7
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observations based on measures or counts
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8
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iron is highly reactive with oxygen and moisture in the air
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