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science test 2
| Question | Answer |
|---|---|
| has a defiinte shape and volume. | solid |
| solid that are made up of crystals. (i.e, salt and sugar) | crystalline solids |
| the particles in these solids are arranged in a regular pattern. | amorphous solids |
| has a definite volume but no definite shape | liquid |
| another name for a liquid. means substance that flows | fluid |
| the result of an inward pull among the molecules on the surface together | surface tension |
| a liquids resistance to flowing | viscosity |
| can change volume very easily | Gas |
| the change from solid to a liquid | melting |
| the temperature that something melts at | melting point |
| the change from a liquid to a solid | freezing |
| the change from a liquid to a gas | vaporizing |
| when vaporizing takes place | evaporation |
| when a liquid turns into a gas below and on top of the surface | boiling |
| the temperature that something boils at | boiling point |
| the opposite of vaporizing | condensation |
| when the surface particles gain enough energy that they form a gas | sublimation |
| the force of the outward push divided by the area of the walls | pressure |
| the relationship between pressure and volume | boyles law |
| when temperature of a gas is increased at constant pressure its volume increases | charles law |
| a diagram that shows how 2 variables, of factors are changed or relates to each other | graph |
| the (0,0) point on a graph | origin |
| when one variable goes up one goes down | vary inversely |