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science chapter 3
states of matter
Question | Answer |
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solid | a state of matter that has definite shape and a definite volume |
crystalline solid | a solid that is made up of crystals in which particles are arranged in a regular repeating pattern |
amorphous solid | a solid made up as particles that are not arranged in a regular pattern |
liquid | a state of matter that has no definite shape but has a definite volume |
fluid | a substance that can easily flow |
surface tension | the result of a inward pull among the molecules on the surface closer together |
viscosity | a liquid's resistance to flowing |
gas | a state of matter with no definite shape or volume |
melting | the change from solid to liquid state of matter |
melting point | a temp. at which a substance changes from a solid to a liquid |
freezing | the change from a liquid to a solid state of matter |
vaporization | the change of state from a liquid to a gas |
evaporation | the process that occurs when vaporization takes place only of the surface of a liquid |
boiling | the process that occurs when vaporization takes places inside a liquid as well as on the surface |
boiling point | the temp. at which the substance changes from a liquid to a gas |
condensation | the change from the gaseous to the liquid state of matter |
sublimation | the change in state from a solid directly to a gas without passing through the liquid state. |