23
Lesson 23 of 84 · Forces
ExperimentSwinging on Swings
What You'll Learn
A door opens when you push or pull the handle. Which does your door use?
Key Words
- fall
- bounce
Materials Needed
- spring scale
- stopwatch
- pencils
- toy cars
- ramps
Safety First
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
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 3Do heavy things or light things fall faster?