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science chapter 4
| Question | Answer |
|---|---|
| shape of solid | definite |
| volume of solid | definite |
| arrangement of solid | tightly packed |
| motion of solid | vibrate in place |
| shape of gas | non definite |
| volume of gas | non definite |
| arrangement of gas | spread apart |
| motion of gas | move freely |
| shape of liquid | non definite |
| volume of liquid | definite |
| arrangement of liquid | close enough to pass each other |
| motion of liquid | able to slide past |
| melting | solid to liquid |
| vaporization | liquid to gas |
| sublimation | solid to gas |
| freezing | liquid to solid |
| condensation | gas to liquid |
| crystalline solid | regular repeating pattern , form crystals |
| amorphous solid | no pattern, shape-less |
| Boyles Law | pressure and volume. inverse relationship. volume of a gas increases the pressure decreases (vice versa) |
| Charles Law | volume and temperature. direct proportion. one factor increases so does the other (vice versa) |
| Archimedes Principle | buoyancy and density. the buoyant force is equal to the weight of the fluid disguised by the object. |
| Pascals Principle | force and pressure. if a force exerted in a confined fluid it is transmitted uncharged through the entire cloud. |
| density | mass/volume |
| pressure | force/area |
| unit for pressure | pascal (P) |
| atmospheric pressure | the pressure exerted by the air |
| melting point | the temperature at which a solid melts |
| freezing | the changing of a liquid to a solid at the freezing point |
| condensation | the changing of a gas into a liquid |
| boiling | occurs below the liquids surface at the boiling point |
| vaporization | changing a liquid to a gas |
| melting point | the temperature at which a solid melts |
| melting | changing a solid to a liquid |