science vocabulary

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  1. Solid
    The state of matte in which materials have a definite shape and a definite volume.
  2. liquid
    the state of matter in which a material has neither a definite volume, but not a definite shape.
  3. gas
    the state of matter in which a material has neither a definite shape not a definite volume
  4. kinetic energy
    the energy an object has due to it's motion
  5. pressure
    the result of a force distributed over an area
  6. absolute zero
    a temperature of 0 kelvins
  7. Charles Law
    the direct proportion of the volume of a gas to its temp. (in kelvins) if the pressure and the number of particles of the gas are constant
  8. Boyle's Law
    the inverse variation of the volume of a gas with its pressure if the temp. and the number of particles are constant.
  9. Phase Change
    a reversible physical change that occurs when a substance changes from one state of matter to another
  10. endothermic
    a description of a change in which a system absorbs energy from its surroundings
  11. Heat of fusion
    the energy of a substance must absorb in order to change from a solid to a liquid
  12. exothermic
    a description of a change in which a system releases energy to its surroundings
  13. vaporization
    the phase change in which a substance changes from a liquid to a gas
  14. Heat of Vaporization
    the energy of a substance must absorb in order to change from a liquid to a gas.
  15. evaporation
    the process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point.
  16. vapor pressure
    the pressure caused by the collisions of particles in a vapor with walls of a container
  17. condensation
    the phase change in which a substance changes from a gas or vapor to a liquid.
  18. sublimation
    the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first
  19. deposition
    the phase changing in which a gas or vapor changes directlyt into a solid without first changing into a solid without first changing into a liquid.

Card Set Information

Author:
 johnsons
ID:
 34892
Filename:
 science vocabulary
Updated:
2010-09-15 14:06:51
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science vocabulary
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Description:
Physical Science vocabulary Heritage
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