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Matter 2

Forms of Matter and Energy

mixture a physical combination of two or more substances that are blended together without forming new substances
solution a mixture of substances that are blended so completely that the mixture looks the same everywhere
physical change a change of matter in size, shape, or state without any change in identity
chemical change a change of matter that occurs when atoms link together in a new way, creating a new substance different from the original substance
reactant an original substance at the beginning of a chemical reaction
acid a substance that tastes sour and turns blue litmus paper red
base a substance that tastes bitter and turns red litmus paper blue
indicator a substance such as litmus paper whose color changes when it is mixed with an acid or a base
pH the scale that tells how acidic or basic a solution is
kinetic energy the energy of any moving object
potential energy stored energy
conduction the passing of heat through a material while the material itself stays in place
convection the flow of heat through a liquid or a gas, causing hot parts to rise and cooler parts to sink
radiation the transfer of heat through electromagnetic rays
Created by: dionnej