42
Lesson 42 of 84 · Push and Pull
ExperimentStop and Go! (Part 2)
What You'll Learn
When you stop pedaling a bike, it slowly stops because of friction.
Key Words
- start
- heavy
- light
Materials Needed
- string
- weights
- tape
Safety First
- Adult supervision recommended.
- Do not taste any materials.
Steps
Step 1 — Read
Look at the picture and point to what you see.
Step 2 — Do
Try pulling a wagon with one hand, then two hands. Which is easier?
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?