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11 Cards in this Set
- Front
- Back
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Three States of Matter 1. Solid
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has a definite shape and a definite volume
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Three States of Matter 2. Liquid
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definite volume, but no definite shape because it takes the shape of the container
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Three States of Matter 3. Gas
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no definite volume, no definite shape
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Changes in Matter: Melting = solid to liquid
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by adding heat energy
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Changes in Matter: Freezing = liquid to solid
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by removing heat energy
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Changes in Matter: Evaporating or Boiling = liquid to gas
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by adding heat energy
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Changes in Matter: Condensation = gas to liquid
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by removing heat energy
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What is MASS ?
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the amount of matter in an object.
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What is MATTER ?
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anything that has a mass and takes space.
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What is MIXTURES ?
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a combination of two or more substances that keep their physical properties.
Example: salt and sugar, salt and pepper, a salad Be careful: salt and sugar is a dry mixture, there is no solvent or liquid to dissolve either substance |
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What are Solutions ?
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a type of mixture in which items are evenly mixed and dissolved.
Example: sugar and water, Alka-Seltzer in water, kool-aid, lemonade, |
