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Rally Day Crossword Puzzle

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