78
Lesson 78 of 84 · Forces
ExperimentHeavy and Light Lifting (Part 3)
What You'll Learn
You can use a lever to lift heavy things. A seesaw is a type of lever!
Key Words
- ramp
- magnet
Materials Needed
- pencils
- toy cars
- ramps
- string
- weights
Safety First
- Do not mix unknown chemicals together.
Steps
Step 1 — Read
Can you name the things in the picture?
Step 2 — Do
Roll a ball down a ramp. Try making the ramp steeper. What happens?
Step 3 — Observe
Use your eyes, ears, and hands to explore. What do you notice?
Step 4 — Record
Color a picture to show what happened.
Check Your Understanding
Question 1
1 of 3Which goes faster down a ramp: a ball or a block?