72
Lesson 72 of 84 · Push and Pull
ExperimentStop and Go! (Part 3)
What You'll Learn
When you stop pedaling a bike, it slowly stops because of friction.
Key Words
- start
- heavy
- light
Materials Needed
- paper clips
- rubber bands
- blocks
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
Steps
Step 1 — Read
Read and learn: When you stop pedaling a bike, it slowly stops because of friction.
Step 2 — Do
Try it yourself! Ask for help if you need it.
Step 3 — Observe
What happened? Tell a grown-up what you noticed.
Step 4 — Record
Tell a grown-up your favorite part of the activity.
Check Your Understanding
Question 1
1 of 3Does a ball bounce?