Making a Catapult (Part 3)

What You'll Learn

Gravity is the same force that keeps the moon going around the Earth!

Step 1 — Read

Look at the new words. Can you say each one?

Step 2 — Do

Make a ramp from a book. Roll a marble down from different heights. Measure how far it rolls.

Step 3 — Observe

Use your senses to describe what you notice.

Step 4 — Record

Write 1-2 sentences about what happened.

1 of 3

What are the two poles of a magnet?