Energy in Chemical Reactions
Grade 7th Grade · Science · 40 min
What's Included
Learning Objective
I can describe how chemical reactions either release or absorb energy.
Warm-Up Video
Khan Academy · 7:46
Energy changes in chemical reactions (part 2) | Middle school chemistry | Khan Academy
Guided Notes
3 key concepts
- 1
In an endothermic reaction, energy is absorbed from the surroundings, while in an exothermic reaction, energy is released into the surroundings.
- 2
The amount of energy released or absorbed in a chemical reaction can be controlled by changing the amount or type of reactants.
- 3
The rate at which energy is absorbed or released can be controlled by changing the amount of reactants, temperature, or distribution of particles.
Practice Questions
6 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Describe two ways to control the amount of energy released or absorbed in a chemical reaction.”
Complete Lesson Package
Get all 3 ready-to-use resources:
