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| movement; something that happens (related words: move, moving) |
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| to pull towards; opposite poles of a magnet come together when they attract each other (related word: attraction) |
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| an element or compound (related words: chemist, chemistry) |
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| a chemical reaction; a process that changes substances into new substances (related word: chemical reaction) |
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| the use of a chemical to find out something about a substance - such as a pH test |
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| to bring together; to mix (related word: combination) |
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| a chemical combination of two or more elements |
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| a method or component for separating substances from each other |
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| material that has mass and takes up some amount of space |
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| combination of substances that can be physically separated from one another |
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| not mixed with any other substances (related word: purity) |
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| a material with a particular chemical makeup |
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| the ability of a substance to be dissolved in a liquid |
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| a mixture in which a solid and a liquid or two liquids are mixed so evenly, that it is not possible to see the separate particles |
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| the physical matter of which living or nonliving things are composed |
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| the amount of space an object or substance takes up |
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