Newton's First Law: Objects at Rest (Part 3)

What You'll Learn

Newton's first law states that an object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force. This is called inertia.

Key Words

gravity
friction
inertia

Steps

Step 1 — Read

Read about Forces and Motion and write down three key facts.

Step 2 — Do

Build a simple circuit using a battery, wire, and light bulb. Then add a switch and test what happens when you open and close it.

Step 3 — Observe

Observe what happens and describe it in detail.

Step 4 — Record

Record your observations in your science journal with measurements and descriptions.

Check Your Understanding

Question 1

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What does Newton's third law state?