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Physical Properties
Concepts of Properties of Matter
| Term | Definition |
|---|---|
| matter | anything that has mass and takes up space |
| states of matter | the forms matter can take, such as solid, liquid, and gas; sometimes called phases of matter |
| mass | the amount of matter in something |
| solid | definite shape and size |
| liquid | take the shape of their container, filling the bottom of the container first; has the ability to flow |
| physical properties | properties of matter that can be observed, measured, or changed without changing the matter itself |
| properties | characteristics of substances that are observed |
| gas | a state of matter in which the substance expands to take both the shape and the volume of its container |
| mixture | a combination of two or more substances that can be easily separated in some physical way |
| solution | a type of mixture in which the particles of one or more substances are dissolved (uniformly dispersed throughout) in another substance |
| solubility | the ability of a substance to dissolve in another substance, such as sugar dissolving in water |
| dissolving | the process by which substances break down into small pieces and spread evenly throughout a liquid (water) |
| relative density | floating or sinking when compared to water |
| temperature | the degree of hotness or coldness of a substance or environment |
| melting/freezing point | the temperature at which a substance changes from a liquid to a solid or a solid to a liquid by the loss or addition of heat; for water this temperature is 0*C |