Lesson 65 of 84 · Simple Machines

Experiment⭐ 30 XP🛠️ Engineer Shop

Wheels Go Round and Round (Part 3)

🧪Lab Brief #65

Simple Machines.

🎯 Your mission

Set it up. Test it. Be amazed.

⚡ 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

Wheels help things move more easily. Bikes, cars, and skateboards all have wheels.

Key Words

fast
slow

Materials Needed

ruler
cardboard
marbles
paper clips
rubber bands

Safety First

Keep small objects away from young children.
Work in a well-ventilated area when using vinegar or other strong-smelling substances.

Steps

Step 1 — Read

Ask a grown-up to explain today's topic: Simple Machines.

Step 2 — Do

Build a tower with blocks. How tall can you make it before it falls?

Step 3 — Observe

Draw a picture of what you see.

Step 4 — Record

Share what you learned with someone!

Check Your Understanding

Question 1

1 of 3

Does a magnet stick to wood?

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.

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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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