| A | B |
|---|
| chemistry | study of matter |
| properties | characteristics used to describe a substance |
| properties of matter | weight,density,volume.mass |
| phases of matter | solid,liquid,gas,plasma |
| solid | phase of matter with definite shape and volume |
| liquid | no definite shape, but definite volume |
| gas | no definite shape or volume; a baloon |
| plasma | phase of matter found in stars |
| evaporation | change from a liquid to a gas;STEAM |
| melting | change from solid to a liquid |
| evaporation | change from liquid to gas(steam) |
| condensation | change from gas to liquid(DEWDROPS) |
| sublimation | change directly from solid to gas(DRY ICE) |
| physical change | does not produce new substance(paper into airplane by folding) |
| chemical change | produces a new substance(burn the paper) |
| elements | 109 known elements |
| solid elements | silver,gold |
| liquid elements | mercury |
| gas elements | oxygen, hydrogen,helium |
| made up of more than one element | salt,sugar |
| metals | luster,ductile,malleable,good conductors |
| nonmetals | dull, brittle,poor conductors |
| luster | shiny |
| malleable | able to be hammered into different shapes |
| ductile | wired |
| zizgzag line | separates metals and nonmetals |
| inert gases | inactive |
