Energy in Chemical Reactions
Learning Objective
I can describe how chemical reactions either release or absorb energy.
Lesson Flow
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Energy changes in chemical reactions (part 2) | Middle school chemistry | Khan Academy
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Guided Notes
Key concepts students will learn:
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In an endothermic reaction, energy is absorbed from the surroundings, while in an exothermic reaction, energy is released into the surroundings.
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The amount of energy released or absorbed in a chemical reaction can be controlled by changing the amount or type of reactants.
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The rate at which energy is absorbed or released can be controlled by changing the amount of reactants, temperature, or distribution of particles.
Practice
6 questions • Multiple choice & Short answer
Exit Ticket
“Describe two ways to control the amount of energy released or absorbed in a chemical reaction.”
Teacher Guide
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- Answer keys for all questions
- Differentiation strategies
- Extension activities
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