Lesson 15 of 84 · Forces
Experiment⭐ 30 XP⚡ Spark LabPulleys Pull Things Up
Pulleys Pull Things Up.
🎯 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
Things roll, slide, bounce, or spin depending on their shape and the forces acting on them.
Key Words
- simple machine
- lever
- ramp
Materials Needed
- marbles
- paper clips
- rubber bands
- blocks
- spring scale
- stopwatch
Safety First
- Handle glass items carefully to avoid breakage.
Steps
Talk about what you already know about Forces.
Build a simple lever with a ruler and pencil. Try lifting objects on one end by pushing the other.
Compare what happened to what you predicted.
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3Does a seesaw use a lever?
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.”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
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Send it to a parent who's looking for a 10-minute kitchen science win.
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