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Chemical and Physical vocab

Name:_________________
Period:______________
Homework #1
Across
A change that alters the form or shape of a substance, but does not create a new substance
A material that increases the rate of a chemical reaction
A change in which energy is absorbed (gets cool)
A change in which energy is released (gets warm)
A substance formed as a result of a chemical reaction
Definite volume, not a definite shape
Down
Changing from a solid directly to a gas. Skips the liquid phase
No definite volume, no definite shape
A change where a new substance is formed
Definite volume and shape
A substance that enters into a chemical reaction