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A change that occurs in a substance that cannot be reversed or undone. The change results in an entirely different substance, such as a piece of wood burning and becoming ash; iron changing to rust; or separate ingredients becoming a cake. |
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When substances form a solution. Example: Sugar dissolving in water. |
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A collection of materials in which the materials do not join together and each material keeps in own physical properties. Example: salad, sand & salt, iron filings |
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A change in a substance that does not alter its chemical makeup. Example: Cutting a piece of paper. |
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| The following of one thing after another. |
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The ability to be dissolved. Example: Sugar is soluble in water, but ground pepper is not. |
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A type of mixture in which the ingredients are thoroughly mixed together (usually with a liquid), such as lemonade, tea or saltwater. A solution can be separated, but not easily. |
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The measure of the amount of matter and the force of gravity on an object. Weight is NOT mass. |
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