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Intro to Matter

Use this to help study for the Topic 1 test

matter anything with mass and takes up space
substance a single kind of matter with a specific make up
pure substance composition is always the same
mixture two or more substances not chemically combined
homogeneous can't be easily separated
heterogeneous mixed together but can be separated out
physical changes can get it back
chemical changes can't get it back
weight the measure of force of gravity
mass amount of matter in a object
gravity does not affect mass mass does not change with the force of gravity
formula for density D= mass divided by volume
greater density objects sink
Created by: AKaplan