phases of matter
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| solid | state of matter in which the particles of matter are closest together, having a definite shape and a definite volume.
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| liquid | state of matter in which the particles are free to move over, under and around one another;particles are farther apart than in a solid. liquids have no definite shape and a definite volume.
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| gas | state of matter in which the particles are moving the fastes and are the farthest away from each other. gases have no definite shape and no definite volume.(fits the container)
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| plasma | state of matter that is achieved under very high temperatures, no definite shape. plasma have no definite shape and atoms have been ripped apart. ex:stars, tv's, and lightning.
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| kinetic molecular theory | the theory that explains differences in the states of matter are caused by how fast the atoms in substances are moving
(called kinetic energy). slow=solid faster=liquid super fast= gas super super fast=plasma
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| endothermic | physical changes in which energy is absorbed, the temperature of the substance changes.
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| exothermic | physical change in which energy is released,the temperature of the substance changes.
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| melting | the phase change from asolid to a liquid material to must gain energy (temperature=increase)
endo= heat insides
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| melting point | the temperature at which a substance begins to melt the melting point of water is 32
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| freezing | the phase change from a liquid to a solid,material must lose energy (temperature=decreases)
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| freezing point | the temperature at which a substance begins to melt.the freezing point of water is 32c and 0c
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| vaporization | phase change from a liquid to a gas , material must gain energy (temperature = increase)
endo=heat inside
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| evaporation | phase change from a liquid to a gas at the surface of liquid below the boilling point.
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| boilling | the phase change from a liquid to a gasthroughout the entire liquid. endothermic
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| boilling point | the temperature at which a substance begins to boil. the boilling point of water is 212f, 100c
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| condensation | the change in phase from a gas to a liquid, material requires a loss of energy(temperature=decreases)
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| sublimation | the change in phase from a solid to gas without going through theliquid phase. endothermic
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| deposition | phase change froma gas to a solid without going through the liquid phase (frost) exothermic.
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