37
Lesson 37 of 84 · Simple Machines
ExperimentSliding and Rolling (Part 2)
What You'll Learn
When you kick a ball, you push it with your foot and it moves forward.
Key Words
- roll
- slide
- stop
Materials Needed
- weights
- tape
- ruler
- cardboard
- marbles
- paper clips
Safety First
- Adult supervision recommended.
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?