65
Lesson 65 of 84 · Simple Machines
ExperimentWheels Go Round and Round (Part 3)
What You'll Learn
Wheels help things move more easily. Bikes, cars, and skateboards all have wheels.
Key Words
- fast
- slow
Materials Needed
- ruler
- cardboard
- marbles
- paper clips
- rubber bands
Safety First
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
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 3Does a magnet stick to wood?