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4
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The process which occurs when we make a new compound by heating up a substance.
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5
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The safety equipment we wear over our eyes to protect ourselves.
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6
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The variable which we change during an experiment.
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8
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The variable which we measure during an experiment.
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9
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A substance which contains 2 or more types of atom which are chemically bonded.
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10
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A substance which contains only 1 type of atom.
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11
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An example of a mixture which we are always breathing in.
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13
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A particle which contains 2 atoms which are chemically bonded together.
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