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Ch. 10 McGraw Hill (7th Grade)

STUDY
PLAY
Matter
Anything that has mass and takes up space.
Atom
A small particle that is a building block of matter.
Substance
Matter with a composition that is always the same.
Element
A substance that consists of just one type of atom.
Compound
A type of substance containing atoms of two or more different elements chemically bonded together.
Physical Property
A characteristic of matter that you can observe or measure without changing the identity of the matter.
Mass
The amount of matter in an object.
Density
The mass per unit volume of a substance.
Solubility
The ability of one substance to dissolve in another.
Physical Change
A change in size, shape, form, or state of matter in which the matter's identity stays the same.
Chemical Property
A characteristic of matter that can be observed as it changes to a different type of matter.
Chemical Change
A change in matter in which the substances that make up the matter change into other substances with new physical and chemical properties.