80
Lesson 80 of 84 ยท Forces
SimulationSlide or Roll? (Part 3)
What You'll Learn
Springs store energy when you squish or stretch them. When you let go, they bounce back!
Key Words
- pulley
- wheel
- energy
Steps
Step 1 โ Read
Talk about what you already know about Forces.
Step 2 โ Do
Build a simple lever with a ruler and pencil. Try lifting objects on one end by pushing the other.
Step 3 โ Observe
Compare what happened to what you predicted.
Step 4 โ Record
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3Why do things fall when you drop them?
