30
Lesson 30 of 84 · Simple Machines
ExperimentCan You Balance It?
What You'll Learn
Toys with wheels are easier to move across the floor than toys without wheels.
Key Words
- still
- push
- pull
Materials Needed
- cardboard
- marbles
- paper clips
- rubber bands
- blocks
- spring scale
Safety First
- Adult supervision recommended.
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
Steps
Step 1 — Read
Look at the pictures and tell a grown-up what you see.
Step 2 — Do
Build a tower with blocks. How tall can you make it before it falls?
Step 3 — Observe
Draw a picture of what you see.
Step 4 — Record
Share what you learned with someone!
Check Your Understanding
Question 1
1 of 3Can wind push a kite?