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Overview:
In this high school physical sciences unit, students investigate why some substances absorb heat when they react, while others release it. Students first solve the mystery of where the energy goes in endothermic reactions by examining salt dissolution and using magnets as models for bonds. They then expand their investigations to look into where the energy comes from in exothermic reactions. The model they continue to develop using magnets, helps them account for why breaking bonds absorbs energy from the surroundings and forming bonds releases energy back into the surroundings. The end of the unit naturally motivates a new question to pursue in future units, “Why are some types of particles more attracted to one another than others?"

nextgenerationstoryline.org
Subject:
Physical Science
Level:
High School
Material Type:
Activity/Lab, Assessment, Case Study, Homework/Assignment, Lesson Plan, Module, Unit of Study
Author:
Date Added:
07/26/2019
License:
Creative Commons Attribution Share Alike Creative Commons Attribution Share Alike
Language:
English
Media Format:
Text/HTML

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Quality of Explanation of the Subject Matter3 (1 user)
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Quality of Instructional and Practice Exercises3 (1 user)
Opportunities for Deeper Learning3 (1 user)

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