Fast and Slow (Part 2)

What You'll Learn

Speed is how fast something moves. A cheetah is fast, a turtle is slow.

Step 1 — Read

Read and learn: Speed is how fast something moves. A cheetah is fast, a turtle is slow.

Step 2 — Do

Measure using your ruler or measuring cup.

Step 3 — Observe

Watch carefully. What happens?

Step 4 — Record

Draw and write about what you learned.

1 of 3

What makes a ball go faster down a ramp?