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Solids, Liquids, and Gases

Most substances exist in one of three statespropertiesmoleclesevaporationSelect your answer of matter. Whenever a change occurs, the substance has new gassolidpropertiesliquidSelect your answer. This happens because the moleclessolidevaporationfreezingSelect your answer are arranged differently. Each pure substance has a melting point, or temperature at which a solidcontractstatesfreezingSelect your answer changes into a liquidmoleclesgasevaporationSelect your answer. Each also has a boiling point at which the liquid changes into a gaspropertiesmoleclessolidSelect your answer. The process by which a liquid slowly turns into a gas is known as freezingevaporationmoleclescontractSelect your answer. The temperature at which a liquid changes into a solid is known as the expandpropertiesfreezingevaporationSelect your answer point. Most materials expandcontractmoleclesstatesSelect your answer, or become smaller, as they get cooler. They expandcontractpropertiesliquidSelect your answer, or become larger, as they get hotter.