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oneontacityschool3
Question | Answer |
---|---|
anything that contains only one kind of material | substance |
any material made of two or more substances | mixture |
mixture in which the different substances are distributed EVENLY | homogeneous mixture |
substance whose smallest unit is made up of more than one element | compound |
mixture in which the different substances are distributed un UNEVENLY | hetrogeneous mixture |
substance that cannot be broken down further into simpler substances | element |
any characteristic of a material that can be observed or measured | physical property |
standard measuring system used throughout the world | international system of units |
the distance between two points | length |
the amounts of space an object or a material occupies | volume |
the amount of matter in an object or a material | mass |
the amounts of mass an object or a material has compared to its volume | density |
physical properties of a substance may change,but the kind of substance does not change | physical change |
a change during which one of the substances in a material changes into a different subatance | chemical change |
any characteristic that gives a substance the ability to undergo a chemical change | chemical property |
solids,liquids ,and gases | states of matter |