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matter vocab
flashcard for science states of matter vocab. quiz
| Question | Answer |
|---|---|
| Physical property | a property of matter that can be observed or measured without changing the idenity of matter. |
| density | the amount of matter in a given space or volume;the mass per unit of a substance |
| Chemical property | the amount of matter thst describes substance or substances with idfferent properties |
| physical change | a change that affects 1 or more physical properties of a substance ;some physical chanhes can be undone |
| chemical change | a change that occurs when 1 or more substances are changed into an entirely new substance with different properties;chemical changes can't be reversed using physical means |
| thermal conductivity | the rate at which a substance tranfers thermal energy |
| solubility | the ability of a substance to dissolve into another substance |
| state | the physical form in which a substance exists. such as liquid , solid , liquid. |
| ductillity | the ability of a substance to be pulled into a wire |
| mallleabillity | the ability of a substance to be rolled or pounded into thin sheets. |
| states of matter | the physical form in which a substance exists ;states include gas,liquid,solid,plasma. |
| solid | the state of matter that has a definite shape and volume |
| liquid | the state of matter that has a definite volume but not a definite shape |
| gas | the state of matter that has no definte shape or volume |
| pressure | the amount of force exerted on a given area |
| plasma | the state of matter that doesn't has a definite shape or volume;the paticles are broken apart. |
| change of state | the change of a substance from 1 physical form to another |
| melting | the change of state when a solid turns into a liquid |
| freezing | the change of state from a liquid to a gas |
| vaporization | the change of state froma liquid to a gas,includes boiling and evaporation |
| boiling | vaporization that occurs throughout a liquid |
| evaporation | vaporization that occurs at the surface of a liquid below the liquid's boiling point |
| condensation | the change of state from a gas to a liquid |
| sublimation | the change of state from solid to gas |