Lesson 15 of 30 · Forces

Experiment⭐ 30 XP⚡ Spark Lab

Roll, Slide, Bounce, Spin

🧪Lab Brief #15

Roll, Slide, Bounce, Spin.

🎯 Your mission

Predict it first. Then prove yourself right (or wrong).

⚡ The twist

The opposite of what you expect is often what happens.

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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

Things roll, slide, bounce, or spin depending on their shape and the forces acting on them.

Key Words

Tap a word to see its definition.

Materials Needed

ramps

Safety First

Small parts and balloon fragments are a choking hazard — keep them away from young children.

Steps

Step 1 — Read

Look at the new words. Can you say each one?

Step 2 — Do

Make a ramp from a book. Roll a marble down from different heights. Measure how far it rolls.

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

What is gravity?

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

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Send it to a parent who's looking for a 10-minute kitchen science win.

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Ready?