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Chap. 9 lessons 1

ss Matter

Any solid, liquid or gas. matter
The amount of MATTER in an object. mass
The amount of SPACE taken up by an object. volume
The amount of MASS in a given amount of space. density
A LESS dense object will do this when it is placed in water. float
The state of matter that has a definite shape and volume It won't change on its own. solid
The state of matter that changes shape to fit its container It has no set shape, but has a definite volume. liquid
The state of matter that has no dfinite shape or volume The atoms in this matter move at the fastest rate. gas
Lightning, stars, and the sun are examples of this state of matter. plasma
The _______ of a substance can be observed without changing its identity. physical properties
The temperature at which a substance changes from a SOLID to a LIQUID. melting point
The temperature at which a substance changes from a LIQUID to a GAS. boiling point
Any two or more substances in which the substances keep their own properties. mixture
A mixture of one substance dissolved in another so that the properties are the same throughout. solution
Any change in matter that does not form a new substance. physical change
Particles that are heated do this. speed up
Particles that a cooled off do this slow down
A mixture of substances that separate upon standing and form layers suspension
Created by: sspersta