The heat of solution measures how much thermal energy a dissolving substance consumes or gives off. The experiment demonstrates both endothermic and exothermic reactions. Scholars dissolve several substances, measure the temperature change, and graph their data. 

Concepts

chemical reactions, endothermic reactions, exothermic reactions, thermal energy, temperature

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Additional Tags

science

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Instructional Ideas

• Break vocabulary into prefixes and root words to make connections: exothermic and exoskeleton, endothermic and thermometer, etc

Classroom Considerations

• Relies on prior knowledge of temperature and energy
• Bucket of water must be at room temperature so plan ahead

Pros

• Uses simple materials
• Provides multiple levels of difficulty to keep everyone in a group engaged
• Includes a grading rubric

Cons

• None

Common Core

SL.6.2 SL.7.2 SL.8.2 RST.6-8.3