84
Lesson 84 of 84 · Push and Pull
ExperimentGravity Drops Things Down (Part 3)
What You'll Learn
Things slow down and stop because the ground rubs against them. That is friction!
Key Words
- bounce
- spin
- turn
Materials Needed
- stopwatch
- pencils
- toy cars
- ramps
Safety First
- Use materials only as directed in the experiment.
Steps
Step 1 — Read
Read and learn: Things slow down and stop because the ground rubs against them. That is friction!
Step 2 — Do
Follow along with the activity. Take your time!
Step 3 — Observe
Did anything change? Point to what is different.
Step 4 — Record
Point to the things you used in the activity.
Check Your Understanding
Question 1
1 of 3Can you push a toy car?