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Lesson 4 of 84 · Forces
ExperimentGravity: The Force That Pulls
What You'll Learn
Gravity is the force that pulls objects toward each other. On Earth, gravity pulls everything toward the center of the planet, giving objects their weight.
Key Words
- friction
- inertia
Materials Needed
- toy cars
- ramps
- string
- weights
Safety First
- Clean up spills immediately to prevent slipping.
Steps
Step 1 — Read
Read and learn: Gravity is the force that pulls objects toward each other. On Earth, gravity pulls everything toward the center of the planet, giving objects their weight.
Step 2 — Do
Conduct the experiment by following the instructions.
Step 3 — Observe
Look for patterns in your observations.
Step 4 — Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What causes an object to accelerate?