Lesson 74 of 84 · Simple Machines

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Building Towers (Part 3)

🧪Lab Brief #74

Simple Machines.

🎯 Your mission

Understand the idea. Then look for it everywhere.

⚡ The twist

Constraints make you more creative, not less.

🤯

Mind = Blown

🛠️ The first computer bug was a literal moth stuck inside a machine in 1947.

🔮

Make a hypothesis first

Before you test: how many tries until it works?

What You'll Learn

Heavy things are harder to push than light things. Try pushing a book and a feather!

Key Words

heavy
light
wheel

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

Does a ramp help move things?

How sure are you going to be?😐 maybe

🌍

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 card

Share this experiment

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

🖨️

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