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Rally Day Crossword Puzzle

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Across
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Allows heat to flow through
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When the molecules are moving slowly, the level of kinetic energy is
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Increases when you go from solid to liquid and from liquid to gas
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What happens to kinetic energy when heat energy is taken away
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Phase of a substantce that can change its volume
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What does temperature measure?
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If you wanted a substance to melt, what would you do with heat energy?
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Phase that cannot change shape or volume
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What we call it when a subtance changes from a solid to a liquid or a liquid to a gas
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What we call it when a substance changes from liquid to solid
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Keeps heat from flowing through
Down
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What we call it when a solid changes into a liquid
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When a solid changes directly into a gas
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What increases when heat energy is added to a substance?
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When a gas changes phase into a liquid
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Type of reaction when bonds break, and the molecules re-arrage
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Of the phases of matter, this one has the highest energy
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What we call it when a liquid turns into a gas
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How molecules in a solid move
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Good insulator, and we breath it!