Lesson 25 of 84 · Forces

Lesson⭐ 30 XP⚡ Spark Lab

Wheels and Axles

🧪Lab Brief #25

Wheels and Axles.

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ The twist

The opposite of what you expect is often what happens.

🤯

Mind = Blown

🔥 A bolt of lightning is 5 times hotter than the surface of the sun.

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Make a hypothesis first

Predict: what happens if you double the force?

What You'll Learn

Friction helps you walk. Without friction, your feet would slip on the floor!

Key Words

pull
balance

Steps

Step 1 — Read

Talk about what you already know about Forces.

Step 2 — Do

Build a simple lever with a ruler and pencil. Try lifting objects on one end by pushing the other.

Step 3 — Observe

Compare what happened to what you predicted.

Step 4 — Record

Tell the class one thing you learned today.

Check Your Understanding

Question 1

1 of 3

What is a force?

How sure are you going to be?😐 maybe

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Where you see this in real life

This is why airplanes can fly and why rockets reach space.

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Stretch Challenge

Try this in real life this week.

This week, find one thing in your house that turns one kind of energy into another.

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For the dinner table

“Show me something at home that uses this kind of energy.”

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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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