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Nature of Matter
Unit 0 - Nature of Matter
| Term | Definition |
|---|---|
| matter | has mass and takes up space |
| pure substance | type of matter with a fixed composition |
| mixture | matter made of two or more substances that can be easily separated |
| element | substance that contains only one kind of atom |
| compound | substance that contains two or more elements in a fixed proportion |
| homogeneous | mixture of two or more substances blended evenly throughout |
| heterogeneous | mixture in which different materials can be easily distinguised |
| physical property | characteristic of a material that is observed or measured |
| chemical property | characteristic of a substance's ability to undergo a chemical change |
| physical change | change that does not alter the composition of matter |
| chemical change | change that causes one substance to change into another substance |
| mass | amount of matter in an object |
| volume | amount of space an object occupies |
| density | mass per unit volume of material |
| meter | SI unit of length |
| liter | SI unit of volume (liquid) |
| kilogram | SI unit of mass |
| metric/SI Units | worldwide system of measurement based on units of ten |