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14 Cards in this Set

  • Front
  • Back
Solid
A sold has a definite shape and definite volume.
Liquid
A liquid has a definite volume but no definite shape. The particles in a liquid are free to move.
Gas
A gas has no definite shape and volume. Gas particles spread apart filling all the space available.
Viscosity
The viscosity of a liquid is the ability to float. If a liquid has high viscosity it floats slowly.
Surface Tension
Surface tension is the result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together.
Melting
When a solid changes to a liquid it is called melting.
Melting Point
The temperature at which melting occurs is the melting point.
Changes of State
When thermal energy is added to an object the object changes state. A solid goes to liquid and a liquid goes to gas.
Freezing
When a liquid changes to solid the liquid is losing energy and it forms a sold.
Vaporation
Vaporization is when liquid absorbs thermal energy and changes to gas.
Evaporation
Evaporation is vaporization that only occurs at the top of the liquid.
Boiling
Boiling is when vaporization occurs above and below surface.
Condensation
Condensation is the opposite of vaporization. Condensation is when particles loose energy to form a liquid.
Sublimation
Sublimation is when a solid changes to a gas without changing into a liquid first.