Evidence of Chemical Reactions
Grade 7th Grade · Science · 60 min· Tn State Standard: 7.ps3.1-2
What's Included
Learning Objective
I can identify evidence of chemical reactions.
Warm-Up Video
Smithsonian Science Education Center (SSEC) · 10:13
Good Thinking! — Chemical Reactions in Action
Guided Notes
3 key concepts
- 1
In a chemical reaction, the original substances are called the reactants, and the new substances that are formed are called the products.
- 2
The metal on the bicycle was undergoing a chemical reaction that produced rust, which is the result of iron atoms combining with oxygen molecules from the air.
- 3
Using visual models, like marshmallows, can help students understand how atoms rearrange into different molecules during a chemical reaction.
Practice Questions
12 questions · Multiple choice & Short answer
Exit Ticket
Quick comprehension check
“Name two things that indicate a chemical reaction has taken place.”
Complete Lesson Package
Get all 3 ready-to-use resources:
