How Fast Can It Go?

What You'll Learn

When you roll a ball on carpet, it stops faster than on a smooth floor. That is friction!

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.

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Do heavy things or light things fall faster?