Lesson 8 of 84 · Simple Machines

Lesson⭐ 30 XP🛠️ Engineer Shop

How Fast Can It Go?

🧪Lab Brief #8

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

When you roll a ball on carpet, it stops faster than on a smooth floor. That is friction!

Key Words

roll
slide

Steps

Step 1 — Read

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

Step 2 — Do

Roll a ball down a ramp. Try making the ramp steeper. What happens?

Step 3 — Observe

Use your eyes, ears, and hands to explore. What do you notice?

Step 4 — Record

Color a picture to show what happened.

Check Your Understanding

Question 1

1 of 3

Do heavy things or light things fall faster?

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?”

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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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