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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 a substances undergo chemical changes that result in the formation of new substances.
chemistry The study of the properties of the matter and how matter changes.
conservation of mass The principal 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 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 substances formed as a result of a chemical reaction.
reactant A substances that enters into a chemical reaction.
synthesis A chemical reaction in which two or more simple substances combine to form a new, more complex substances.
Created by: money.desiree