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Terms 2.2

TermDefinition
energy scientists define it as the ability to do work
chemical reaction one or more substances change to produce one or more different substances
reactant a substance that takes part in and undergoes change during a reaction
product used to describe the things that are made by a reaction
metabolism the term used to describe all of the chemical reactions that occur in an organism
activation energy the amount of energy needed to start a reaction
catalyst certain chemical substance that reduce the amount of activation energy needed to start a reaction
enzyme a protein or RNA molecule that speeds up metabolic reactions without being permanently changed or destroyed
redox reaction reactions in which electrons are transferred between atoms
oxidation reaction in this, a reactant loses one or more electrons, thus becoming more positive in charge
reduction reaction in this, a reactant gains one or more electrons, thus becoming more negative in charge
Created by: Addaleigh
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