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| anything that has mass and takes up space |
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| particles are close, slow, vibrating |
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| particles move freely, at a medium speed |
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| particles are all over, moving very fast |
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| change in any of the physical properties but stays the same type of matter |
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| how much matter in an object |
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| a sample of matter that has definite chemical and physical properties |
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| pure substances that cannot be separated into a simpler substance by physical or chemical means |
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| pure substance composed of two or more different elements joined by chemical bonds |
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| a combination of two or more pure substances that are not chemically combined |
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| any characteristic that gives a substance the ability to undergo a change that will result in a new substance |
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| LAW OF CONSERVATION OF ENERGY |
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| mass can never be created or destoyed |
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| the smallest unit of an element that maintains the properties of that element |
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| composed of two or more elements that are joined by chemical bonds |
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a type of mixture
molecules are mixed up in an even distribution |
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| molecules are not mixed up in an even distribution |
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| a mixture of tiny particles that are bigger than those in a solution, but smaller than in a suspension |
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| a mixture in which particles are dispersed in liquid or gas and will eventually settle out |
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| MATERIALS TO SEPARATE A MIXTURE |
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| coffee filter, strainer, magnet, water for evaporation |
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| tiny particles in liquids |
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| larger particulates can be captured |
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| magnetic materials (metals that contain iron) |
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| salt can be disolved in water to make a solution. the water can than be evaporated |
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the ability to disolve
(physical property) |
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| the substance that makes the solute disolve |
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| the substance that disolves |
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