Matter
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amount of space a substance takes up
volume
anything that has volume and mass
matter
amount of material in a substance
mass
measure of the amount of force gravity exerts on the matter
weight
amount of Matter in a certain volume
density
characteristics of a substance that can be observed without changing the identity of the substance
physical property
state of matter in which a substance has a definite volume and shape
solid
state of matter in which a substance has a definite volume but not a definite shape
liquid
the state of matter in which a substance does not have a definite shape or a definite volume
gas
a change in matter that does not form a new substance
physical change
the process of a solid changing to a liquid
melting
process of a liquid changing to a solid
freezing
process of a gas changing to a liquid
condensation
process of a liquid changing to a gas
vaporization
small particles that make up all matter
atoms
matter that contains only one kind of atom
element
atoms join with other atoms to form these particles
molecules
formed by combining atoms of different elements
compound
occurs when the atoms in an element or compound combine to form a new substance
chemical change
two or more substances that are physically combined
mixture
a mixture in which all of the substances are spread evenly throughout
solution
substance that is dissolved
solute
substance that dissolves another substance
solvent
amount of solute dissolved in a solvent
concentration