Lesson 18 of 30 · Simple Machines
Lesson⭐ 30 XP🛠️ Engineer ShopLift With a Lever
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Simple Machines.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ The twist
Every solution creates a new problem. That's good — that's the next project.
Mind = Blown
🌉 The Eiffel Tower can grow 6 inches taller in summer because metal expands when hot.
Make a hypothesis first
Predict: which design will hold the most weight?
What You'll Learn
You can use a lever to lift heavy things. A seesaw is a type of lever!
Key Words
Tap a word to see its definition.
Steps
Say the vocabulary words out loud. Can you repeat them?
Use a magnet to find things in the room that stick to it.
Look closely! What do you see?
Draw a picture of what you learned today.
Check Your Understanding
Question 1
1 of 3Do heavy things or light things fall faster?
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?
Lift With a Lever
Master the concept. Use it tomorrow.
Full screen — no distractions
Checkout complete lesson on Simple Machines for Pre-School
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