46
Lesson 46 of 84 · Simple Machines
ExperimentUp and Down the Slide (Part 2)
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
- magnet
Materials Needed
- ruler
- cardboard
- marbles
- paper clips
- rubber bands
Safety First
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
- Protect your work surface with newspaper or plastic.
Steps
Step 1 — Read
Listen to the story about Simple Machines.
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?