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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 |