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Lesson 23 of 30 · Simple Machines

Lesson30 XP🛠️ Engineer Shop

Push or Pull the Door

Push or Pull the Door
🧪Lab Brief #23

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

A door opens when you push or pull the handle. Which does your door use?

Key Words

Tap a word to see its definition.

Steps

Step 1Read

Say the vocabulary words out loud. Can you repeat them?

Step 2Do

Push a toy car gently, then push it hard. Which push made it go farther?

Step 3Observe

Look closely! What do you see?

Step 4Record

Draw a picture of what you learned today.

Check Your Understanding

Question 1

1 of 3

What makes a ball roll?

🌍

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.

Ready?

Push or Pull the Door

Understand the idea. Then look for it everywhere.

Full screen — no distractions

🖨️

Checkout complete lesson on Simple Machines for Pre-School

Get the full Simple Machines track as a printable PDF — all lessons, worksheets, and answer keys.

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Push or Pull the Door — Simple Machines | Pre-School Science | LittleActivity