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