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Lesson 32 of 84 · Gravity
ExperimentNewton's First Law: Objects at Rest (Part 2)
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
- Newton
- acceleration
- velocity
Materials Needed
- rubber bands
- blocks
- spring scale
- stopwatch
- pencils
- toy cars
Safety First
- Be careful with scissors — ask an adult for help if needed.
- Do not look directly at the sun or bright lights.
Steps
Step 1 — Read
Read and 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.
Step 2 — Do
Gather your materials and set up your workspace.
Step 3 — Observe
Observe what happens and describe it in detail.
Step 4 — Record
Record your observations in your science journal.
Check Your Understanding
Question 1
1 of 3What does Newton's third law state?