Lesson 26 of 84 · Forces

Experiment⭐ 30 XP⚡ Spark Lab

Energy from Moving Things

🧪Lab Brief #26

Energy from Moving Things.

🎯 Your mission

Set it up. Test it. Be amazed.

⚡ The twist

Energy never disappears — it just hides somewhere else.

🤯

Mind = Blown

🎢 You feel weightless on a roller coaster because you and the seat are falling at the same speed.

🔮

Make a hypothesis first

Before you start: which will move faster, and why?

What You'll Learn

A wedge is a simple machine shaped like a triangle. A doorstop is a wedge!

Key Words

pull
balance
weight

Materials Needed

ruler
cardboard
marbles
paper clips
rubber bands

Safety First

Work in a well-ventilated area when using vinegar or other strong-smelling substances.
Dispose of materials properly after the experiment.

Steps

Step 1 — Read

Read about Forces with a partner or grown-up.

Step 2 — Do

Push a toy car across the carpet, then across a smooth floor. Measure how far it goes each time.

Step 3 — Observe

Watch carefully. What happens?

Step 4 — Record

Draw and write about what you learned.

Check Your Understanding

Question 1

1 of 3

Which simple machine is a ramp?

How sure are you going to be?😐 maybe

🌍

Where you see this in real life

You use this every time you flip a light switch, ride a bike, or kick a ball.

🏆

Stretch Challenge

Try this in real life this week.

Time how long a small ball rolls down something, then change the slope and try again.

👨‍👩‍👧

For the dinner table

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

🎯

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🖨️

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