Lesson 4 of 30 · Simple Machines
Lesson⭐ 30 XP🛠️ Engineer ShopRamps Help!
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Simple Machines.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
The first design always fails. That's the point.
Mind = Blown
🚀 The Saturn V rocket burned 20 tons of fuel per second at liftoff.
Make a hypothesis first
Guess: what's the weakest part of this build?
What You'll Learn
A ramp makes it easier to move heavy things up to a high place.
Key Words
Tap a word to see its definition.
Steps
Say the vocabulary words out loud. Can you repeat them?
Try pulling a wagon with one hand, then two hands. Which is easier?
What happened? Tell a grown-up what you noticed.
Tell a grown-up your favorite part of the activity.
Check Your Understanding
Question 1
1 of 3Does a ramp help move things?
Where you see this in real life
Your phone, your bike, your shoes — all designed with this idea.
Stretch Challenge
Try this in real life this week.
Build something — anything — out of stuff in your recycling bin.
For the dinner table
“What's something around the house you'd redesign — and how?”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Ready?
Ramps Help!
Learn the rule. Then catch nature using it.
Full screen — no distractions
Checkout complete lesson on Simple Machines for Pre-School
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