Physical/Chemical Changes
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11 terms
Terms | Definitions |
|---|---|
 Matter | that which has mass and occupies space |
| Liquid | a substance in the fluid state of matter having no fixed shape but a fixed volume |
| Solid | matter that has a definite shape and volume |
| Plasma | state of matter that occurs when energy such as electricity or heat is applied to a gas. |
| Gas | A state of matter with no definite shape or volume |
| Physical Change | a change from one state (solid or liquid or gas) to another without a change in chemical composition |
| Chemical Change | a change that occurs when one or more substances change into entirely new substances with different properties |
| Mixture | a material composed of two or more elements or compounds that are physically mixed together but not chemically combined |
| Solution | type of mixture in which all the components are evenly distributed |
| Exothermic Reaction | a chemical reaction that releases energy to its surroundings |
| Endothermic Reaction | a chemical reaction accompanied by the absorption of heat |
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