Science Definitions Flashcards

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Capillary Action

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The ability of a liquid to flow in narrow spaces without the assistance of, and in opposition to, external forces like gravity

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Cohesion

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Attraction between molecules of the same substance (water to water)

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Compound

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A substance made up of atoms of two or more different elements joined by chemical bonds

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Element

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A pure substance made of only one kind of atom; CANNOT be the chemically broken down into simpler substances

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Homogeneous Mixture

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A mixture that is uniform in composition; components are evenly distributed and not easily distinguished

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Heterogeneous Mixture

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A mixture that is not uniform in composition; components are not evenly distributed throughout the mixture

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Mixture

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Material composed of two or more elements or compounds that are physically mixed together but not chemically combined

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Solution

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A mixture that forms when one substance dissolves another

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Solvent

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A liquid substance capable of dissolving other substances

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Solute

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A substance that is dissolved in a solution