Energy in Chemical Reactions
Grade 7th Grade · Science · 40 min
What's Included
Learning Objective
I can describe how energy is either released or absorbed during a chemical reaction.
Warm-Up Video
Khan Academy · 7:24
Energy changes in chemical reactions (part 1) | Middle school chemistry | Khan Academy
Guided Notes
3 key concepts
- 1
In photosynthesis, carbon dioxide reacts with water to produce glucose and oxygen, and this reaction absorbs energy from sunlight.
- 2
Endothermic reactions absorb energy, while exothermic reactions release energy into the surroundings.
- 3
The law of conservation of energy states that energy is not created or destroyed, but only transferred from one entity to another.
Practice Questions
6 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Explain in your own words how energy is either released or absorbed during a chemical reaction. Give an example of each.”
Complete Lesson Package
Get all 3 ready-to-use resources:
