76
Lesson 76 of 84 · Forces
ExperimentUp and Down the Slide (Part 3)
What You'll Learn
A seesaw goes up and down. Push down on one side and the other side goes up!
Key Words
- wheel
- ramp
Materials Needed
- ramps
- string
- weights
- tape
- ruler
- cardboard
Safety First
- Use materials only as directed in the experiment.
Steps
Step 1 — Read
Listen to the story about Forces.
Step 2 — Do
Push a toy car gently, then push it hard. Which push made it go farther?
Step 3 — Observe
Look closely! What do you see?
Step 4 — Record
Draw a picture of what you learned today.
Check Your Understanding
Question 1
1 of 3What makes a ball roll?