Terms 2.2 Word Scramble
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Term | Definition |
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 |
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