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States of Matter
Term | Definition |
---|---|
Matter | substance that has mass and takes up space |
Properties | characteristics used to identify matter |
Solid | a state of matter in which a substance has a definite shape and a definite volume |
Liquid | a state of matter in which a substance has a definite volume but not a definite shape |
Gas | a state of matter in which a substance has no definite shape nor a definite volume |
Physical Change | a change in size, shape, or state of matter with no new matter being formed |
Melting Point | the temperature at which a solid changes to a liquid |
Boiling Point | the temperature at which a liquid changes to a gas |
Freezing Point | the temperature at which a liquid changes to a solid |
Melting | When a solid becomes a liquid |
Condensation | when water vapor cools and changes back into a liquid |
Evaporation | when liquid changes into a gas |