Lesson 9 of 84 · Simple Machines

Lesson⭐ 30 XP🛠️ Engineer Shop

Balancing Act!

🧪Lab Brief #9

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

Gravity keeps your feet on the ground. Without gravity, you would float!

Key Words

slide
stop

Steps

Step 1 — Read

Listen carefully and repeat the new words about Simple Machines.

Step 2 — Do

Use a magnet to find things in the room that stick to it.

Step 3 — Observe

Did anything change? Point to what is different.

Step 4 — Record

Point to the things you used in the activity.

Check Your Understanding

Question 1

1 of 3

Can you push a toy car?

How sure are you going to be?😐 maybe

🌍

Where you see this in real life

Every bridge, building, and gadget you've ever used started with this.

🏆

Stretch Challenge

Try this in real life this week.

Find something that's broken at home and try to figure out *why* it broke.

👨‍👩‍👧

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 card

Share this experiment

Send it to a parent who's looking for a 10-minute kitchen science win.

🖨️

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