20 terms

# Physical Properties

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Melting Point
the temperature at which a substance changes from a solid to a liquid
Freezing Point
The temperature at which a liquid changes into a solid
Boiling Point
the temperature at which a substance changes from a liquid to a gas
Evaporation
the change from a liquid to a gas
Condensing
the change of a gas back into a liquid.
Density
the amount of matter in a given volume
Mass
a measure of the amount of matter in an object
Volume
the amount of space something takes up
Weight
A measure of the force of gravity on an object
Sink
to fall or drop to a lower place or level
Gas
A state of matter in which a substance has no definite shape or volume
Solid
A state of matter in which a substance has definite shape and volume
Liquid
A state of matter in which a substance has a definite volume but no definite shape
Temperature
a measure of the amount of kinetic energy moving particles of matter have
Phase Change
when a liquid, solid or gas changes from one to another
Law of Conservation of Matter
Matter can neither be created or destroyed
The density of Water
1 g/cm3
The equation of density
mass/volume
Heat
a form of energy that can move from a hot place to a cooler place
Energy
the ability to do work or cause change