31
Lesson 31 of 84 · Forces
ExperimentPushes and Pulls Move Things (Part 2)
What You'll Learn
Wind is moving air that pushes things. Sails catch wind to move boats!
Key Words
- force
- motion
Materials Needed
- cardboard
- marbles
- paper clips
- rubber bands
- blocks
- spring scale
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
Steps
Step 1 — Read
Read about Forces with a partner or grown-up.
Step 2 — Do
Push a toy car across the carpet, then across a smooth floor. Measure how far it goes each time.
Step 3 — Observe
Watch carefully. What happens?
Step 4 — Record
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What is gravity?