19

Lesson 19 of 84 · Forces

Experiment

Speed 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 1Read

Read and learn: A lever is a simple machine. A seesaw is a lever—push down on one end and the other goes up!

Step 2Do

Gather your materials and get ready!

Step 3Observe

Draw a picture of what you observe.

Step 4Record

Share your results with a partner.

Check Your Understanding

Question 1

1 of 3

How can you make something move?