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Lesson 66 of 84 · Magnets
LessonGravity: The Force That Pulls (Part 3)
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
- speed
Steps
Step 1 — Read
Review the background information on Magnets before starting.
Step 2 — Do
Construct a catapult from popsicle sticks and rubber bands. Launch a marshmallow from different angles and measure the distance. Find the angle that gives the longest launch.
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?