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ch.3 vocab
states of mater
| Term | Definition |
|---|---|
| states of matter | the physical forms of mater which include solid, liquid, and gas |
| solid | the state of matter in which the volume and shape of a substance can be fixed |
| liquid | the state of matter that has a definite volume but not a definite shape |
| surface tension | the force that acts on the surface and tends to minimize the area of the surface |
| viscosity | the resistance of a gas or a liquid to flow |
| gas | a form of matter that does not have a definite volume or shape |
| temperature | a measure of how hot or cold something Is |
| volume | a measure of the size of a body or region in three dimensional space |
| pressure | the amount of force exerted per unit area of a substance |
| boyles law | the law that states that the volume of a gas is inversely proportional to the pressure of a gas when the temp is constant |
| Charles law | the law that states that the volume of gas is directly proportional |
| change of state | the change of a substance from one physical state to another |
| melting | the change of state in which a solid becomes a liquid |
| evaporation | the change of a substance from a liquid to a gas |
| boiling | the conversion of a liquid to a vapor when the vapor pressure of the liquids equals the atmosphere pressure |
| condensation | the change of state from a gas to a liquid |
| sublimation | the process in which a solid changes to a gas |