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14 Cards in this Set
- Front
- Back
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MATTER
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Anything that has mass & takes up space.
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MASS
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The amount of matter that it contains.
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WEIGHT
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Measure of gravitational force exerted.
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STATES OF MATTER
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•Solids: have definite shape and volume because the molecules of which they are made occupy fixed positions & do not move freely.
•Liquids: have a definite volume but no definite shape because the molecules in a liquid are loosely bound & freely. •Gases: have no definite shape or volume. The attraction between the molecules of a gas are very weak. States of matter can be changed by adding or removing heat energy. |
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Melting Point
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The temperature at which a solid become liquid.
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Boiling Point
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The temperature at which a liquid becomes a gas. Water boils at 202 *F.
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Condensation Point
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The temperature at which a gas becomes a liquid.
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Freezing Point
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The temperature at which a liquid becomes a solid. 32 *F.
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Solution
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A mixture that is uniform throughout & that contains ions , or molecules of two or more substances.
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Solute
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Substance in a solution that is dissolved. Ex. Salt
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Solvent
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Substance in which the solute is dissolved in.
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Alloy
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When 2 or more metals are combined.
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Solutions can be liquid, gases, air.
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Density
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Amount of mass in a particular volume of a substance.
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