3.24: Exothermic Reactions Difficulty Level: At Grade Created by: CK-12 Estimated1 minsto complete % Progress Practice Exothermic Reactions MEMORY METER This indicates how strong in your memory this concept is Practice Progress Estimated1 minsto complete % Estimated1 minsto complete % Practice Now MEMORY METER This indicates how strong in your memory this concept is Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English TermDefinition exothermic reaction Chemical reaction that releases energy because it takes less energy to break bonds in the reactants than is released when new bonds form in the product. Image Attributions Show Hide Details Description Definition of an exothermic reaction, the role of energy and examples of exothermic reactions. Learning Objectives None Difficulty Level: At Grade Authors: Jean Brainard, Ph.D. Tags: Combustion exothermic exothermic reaction (3 more) reaction SCI.CHE.511.5.L.1 SCI.PSC.151.15.L.1 Subjects: science Physical Science Concept Nodes: SCI.PSC.151.15 (Exothermic Reactions) Grades: 7 , 8 Date Created: Oct 31, 2012 Last Modified: Sep 13, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.