Evidence of Chemical Reactions
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Objective
I can identify evidence of chemical reactions.
Part 1 of 4
Warm-up video
Smithsonian Science Education Center (SSEC) · 10:13
We don't generate video — this one is by Smithsonian Science Education Center (SSEC) on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 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.
Part 3 of 4
Practice
12 questions
What are the substances called that are present at the beginning of a chemical reaction?
What is formed during a chemical reaction?
Part 4 of 4
Exit ticket
Quick comprehension check
“Name two things that indicate a chemical reaction has taken place.”
Sample answer included in the free materials
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Teacher Guide
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