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Matter
| Term | Definition |
|---|---|
| matter | anything that has mass and volume |
| mass | the amount of matter in an object |
| volume | the amount of space an object takes up |
| thermal energy | heat energy |
| melting | solid to a liquid |
| freezing | liquid to a solid |
| vaporization | liquid to a gas |
| evaporation | liquid to a gas on the surface |
| boiling | gas bubbles forming throughout the liquid |
| sublimation | solid to a gas |
| kinetic molecular theory | particles in matter are constantly in motion |
| solids | definite shape and definite volume |
| liquid | no definite shape and definite volume |
| gas | no definite shape and no definite volume |
| condensation | gas to a liquid |
| deposition | gas to a solid |
| physical properties | can be observed and measured without a new substance being formed |
| qualitative properties | descriptive properties |
| quantitative properties | based on a number or measurement |
| examples of physical properties | color, shape, size, smell, phase of matter |
| examples of chemical properties | rusting, burning, baking, cooking |
| chemical properties | the ability of a substance to react with another substance and form another new substance |
| homogeneous matter | having the same properties throughout |
| element | substance that contains only one kind of atom |
| examples of elements | hydrogen-H Oxygen-O Gold-Au |
| compound | a substance that contains two or more elements chemically combined together |
| examples of a compound | carbon dioxide, water, glucose |
| solution | a liquid with dissolved solid particles evenly distributed throughout |
| solute | substance that dissolves |
| solvent | the substance that does the dissolving |
| heterogenous matter | matter that is composed of two or more materials that can be separated |
| mixture | contains two or more substances that are not chemically combined |
| suspensions | mixtures that contain particles that settle out of the liquid |