12
Lesson 12 of 84 · Forces
LessonBalance and Weight
What You'll Learn
A balance scale compares the weight of two objects. The heavier side goes down!
Key Words
- speed
- direction
- simple machine
Steps
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.
Check Your Understanding
Question 1
1 of 3What force keeps you on the ground?