Science Chapter 3.txt

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Author:
plerer
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21994
Filename:
Science Chapter 3.txt
Updated:
2010-06-04 12:31:50
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science solids liquids gasses
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solids liquids and gasses
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  1. What are the charecteristics of a solid?
    Definite shape, definite volume, closely packed particles, particles vibrate in place,
  2. What are the charecteristics of a liquid?
    Definite volume, no definite shape, closely packed particles, particles move freely
  3. What are the charecteristics of a gas?
    No definite shape or volume, spreads out or squeezes together to fill a container, particles move freely
  4. What is a crystaline solid?
    The particles form a regular repeating pattern. Has a specific melting point

    EX: salt, sugar, snow
  5. What is an amourphous solid?
    particles are not arranged in a regular pattern, no distinct melting points.

    EX: Plastics, glass, rubber
  6. What does "fluid" mean?
    a substance that flows
  7. What is surface tension?
    The result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together.
  8. What is viscosity?
    A liquids resistance to flowing
  9. What is freezing?
    When a liquid changes to a solid.
  10. What is melting?
    when a solid turns into a liquid
  11. What is evaporation?
    A liquid changes to a gas on the surface.
  12. What is boiling?
    A liquid changes to a gas.
  13. What is condensation?
    When a gas changes to a liquid.
  14. What is sublimation?
    When a solid changes to a gas.
  15. What is Boyle's Law?
    When the pressure of a gas at a constant temp. increases, the volume of a gas decreases. When the pressure of a gas at a constant temp. is decreased, the volume of the gas increases.
  16. What is Charles's Law?
    When the temp. of a gas at a pressure is increased, the volume of the gas increases. When the temp. of a gas at constant pressure decreases, the volume of the gas decreases.

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