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Physical Science

Chemical Reactions

acid A substance that tastes sour, reacts with metals and carbonates, and turns blue litmus red
catalyst A material that increases the rate of a reaction by lowering the activation energy
chemical reaction The process in which substances undergo chemical changes that result in the formation of new substances
chemistry The study of the properties of matter and how matter changes
conservation of mass The principle stating that matter is not created or destroyed during a chemical reaction
decomposition A chemical reaction that breaks down compounds into simpler products
indicator A compound that changes color in the presence of an acid or a base
pH scale A range of to express values used to express the concentration of hydrogen ions in a solution
precipitate A solid that forms from a solution during a chemical reaction
product A substance formed as a result of a chemical reaction
reactant A substance that enters into a chemical reaction
synthesis A chemical reaction in which two or more simple substances combine to form a new, more complex substance
Created by: weaver.amanda