23

Lesson 23 of 84 ยท Forces

Experiment

What Makes Things Move?

What You'll Learn

A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.

Key Words

  • wedge
  • magnet
  • attract

Materials Needed

  • pencils
  • toy cars
  • ramps
  • string
  • weights

Safety First

  • Do not mix unknown chemicals together.
  • Tie back long hair before starting the experiment.

Steps

Step 1 โ€” Read

Read the introduction and identify the main idea of this lesson.

Step 2 โ€” Do

Create a Rube Goldberg machine with at least 5 steps that demonstrates energy transfer from one form to another.

Step 3 โ€” Observe

Watch carefully for any changes and note the time.

Step 4 โ€” Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What form of energy does food contain?

What Makes Things Move? โ€” Forces | 4th Grade Science | LittleActivity | LittleActivity