40
Lesson 40 of 84 · Forces
ExperimentHow Far Can You Push It? (Part 2)
What You'll Learn
The stronger the push or pull, the more an object moves. A hard kick sends a ball farther!
Key Words
- friction
- speed
Materials Needed
- cardboard
- marbles
- paper clips
- rubber bands
Safety First
- Adult supervision recommended.
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
Steps
Step 1 — Read
Talk about what you already know about Forces.
Step 2 — Do
Build a simple lever with a ruler and pencil. Try lifting objects on one end by pushing the other.
Step 3 — Observe
Compare what happened to what you predicted.
Step 4 — Record
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3What is a force?