7
Lesson 7 of 84 · Push and Pull
ExperimentSliding and Rolling
What You'll Learn
When you kick a ball, you push it with your foot and it moves forward.
Key Words
- roll
- slide
Materials Needed
- spring scale
- stopwatch
- pencils
- toy cars
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
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 3What happens when you drop a ball?