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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 |