Evidence of Chemical Reactions
aligned to Tn State Standard: 7.ps3.1-2
Learning Objective
I can identify evidence of chemical reactions.
Lesson Flow
Watch Video
Good Thinking! — Chemical Reactions in Action
Smithsonian Science Education Center (SSEC)
Guided Notes
Key concepts students will learn:
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In a chemical reaction, the original substances are called the reactants, and the new substances that are formed are called the products.
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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.
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Using visual models, like marshmallows, can help students understand how atoms rearrange into different molecules during a chemical reaction.
Practice
12 questions • Multiple choice & Short answer
Exit Ticket
“Name two things that indicate a chemical reaction has taken place.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
