Lesson 80 of 84 · Simple Machines

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Riding My Tricycle (Part 3)

🧪Lab Brief #80

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

When you pull a wagon, you use force to make it move toward you.

Key Words

magnet
balance
fall

Materials Needed

pencils
toy cars
ramps
string
weights

Safety First

Dispose of materials properly after the experiment.
Handle glass items carefully to avoid breakage.

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.

🏆

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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