19
Lesson 19 of 84 · Forces
ExperimentSpeed and Direction
What You'll Learn
A lever is a simple machine. A seesaw is a lever—push down on one end and the other goes up!
Key Words
- pulley
- wheel
- energy
Materials Needed
- tape
- ruler
- cardboard
Safety First
- Be careful with scissors — ask an adult for help if needed.
Steps
Step 1 — Read
Look at the picture and read the labels.
Step 2 — Do
Drop a feather and a coin at the same time from the same height. Which hits the ground first?
Step 3 — Observe
Draw a picture of what you observe.
Step 4 — Record
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3How can you make something move?