Electric Circuits

What You'll Learn

Energy can be transformed from one form to another but cannot be created or destroyed. A light bulb converts electrical energy into light and heat energy.

Key Words

power
electromagnetic

Materials Needed

marbles
paper clips
rubber bands

Safety First

Adult supervision recommended.
Do not taste any materials.

Steps

Step 1 — Read

Read and learn: Energy can be transformed from one form to another but cannot be created or destroyed. A light bulb converts electrical energy into light and heat energy.

Step 2 — Do

Create a labeled diagram of what you built or observed.

Step 3 — Observe

Compare the before and after states.

Step 4 — Record

Write your conclusion: did the results match your hypothesis?

Check Your Understanding

Question 1

1 of 3

What is needed for a simple electric circuit?