Lesson 35 of 84 · Energy Transfer
Experiment⭐ 30 XP⚡ Spark LabGravity: The Force That Pulls (Part 2)
Energy Transfer.
🎯 Your mission
Predict it first. Then prove yourself right (or wrong).
⚡ The twist
Energy never disappears — it just hides somewhere else.
Mind = Blown
⚡ Static electricity is the same physics as lightning, just smaller.
Make a hypothesis first
Before you start: which will move faster, and why?
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
- acceleration
- velocity
Materials Needed
- rubber bands
- blocks
- spring scale
- stopwatch
- pencils
Safety First
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
Steps
Review the background information on Energy Transfer before starting.
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.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What causes an object to accelerate?
Where you see this in real life
This is why airplanes can fly and why rockets reach space.
Stretch Challenge
Try this in real life this week.
This week, find one thing in your house that turns one kind of energy into another.
For the dinner table
“Show me something at home that uses this kind of energy.”
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