28
Lesson 28 of 84 · Forces
ExperimentRolling Downhill
What You'll Learn
A ball thrown in the air comes back down because gravity pulls it.
Key Words
- move
- still
- push
Materials Needed
- tape
- ruler
- cardboard
Safety First
- Dispose of materials properly after the experiment.
- Handle glass items carefully to avoid breakage.
Steps
Step 1 — Read
Read and learn: A ball thrown in the air comes back down because gravity pulls it.
Step 2 — Do
Touch and explore the materials. What do they feel like?
Step 3 — Observe
Use your eyes, ears, and hands to explore. What do you notice?
Step 4 — Record
Color a picture to show what happened.
Check Your Understanding
Question 1
1 of 3What makes a swing go?