Exothermic and Endothermic Reactions
Grade 9•45 minutes•TEKS C.13.C
Learning Objective
I can analyze a chemical reaction to classify reactions as exothermic or endothermic, predict its effect on the surrounding environment and determine when thermodynamic equilibrium has been reached.
Practice Questions
This lesson includes 16 practice questions to reinforce learning.
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1. Define exothermic and endothermic reactions in terms of energy transfer between a system and its surroundings.
2. Explain the difference between the "system" and the "surroundings" in the context of a chemical reaction, providing examples.
3. Describe how temperature changes can be used to experimentally determine whether a reaction is exothermic or endothermic.
...and 13 more questions
Educational Video
Endothermic and Exothermic Reactions
Bozeman Science