22

Lesson 22 of 84 ยท Forces

Simulation

Marble Races

What You'll Learn

When you drop something, it falls down. That is gravity at work!

Key Words

  • fall
  • bounce
  • spin

Steps

Step 1 โ€” Read

Look at the picture and point to what you see.

Step 2 โ€” Do

Try pulling a wagon with one hand, then two hands. Which is easier?

Step 3 โ€” Observe

What happened? Tell a grown-up what you noticed.

Step 4 โ€” Record

Tell a grown-up your favorite part of the activity.

Check Your Understanding

Question 1

1 of 3

What happens when you drop a ball?