76
Lesson 76 of 84 ยท Forces
LessonWhat Makes a Ball Roll? (Part 3)
What You'll Learn
When you throw a ball up, gravity pulls it back down. The harder you throw, the higher it goes!
Key Words
- lever
- ramp
- pulley
Steps
Step 1 โ Read
Read about Forces with a partner or grown-up.
Step 2 โ Do
Push a toy car across the carpet, then across a smooth floor. Measure how far it goes each time.
Step 3 โ Observe
Watch carefully. What happens?
Step 4 โ Record
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What is gravity?
