What Makes a Ball Roll?

What You'll Learn

When you throw a ball up, gravity pulls it back down. The harder you throw, the higher it goes!

Step 1 — Read

Read and learn: When you throw a ball up, gravity pulls it back down. The harder you throw, the higher it goes!

Step 2 — Do

Try the experiment. What do you think will happen?

Step 3 — Observe

Watch carefully. What happens?

Step 4 — Record

Draw and write about what you learned.

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What is gravity?