Lesson 5 of 8 · Energy
Lesson⭐ 30 XP⚡ Spark LabHow Sound Waves Travel
How Sound Waves Travel.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ 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
Sound is a wave made by vibrations that travel through a material such as air, water, or metal. The vibrations bump particles into one another to carry energy to your ears, which is why sound cannot travel through empty space.
Key Words
Tap a word to see its definition.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Create a Rube Goldberg machine with at least 5 steps that demonstrates energy transfer from one form to another.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3What does Newton's third law state?
Where you see this in real life
This is why airplanes can fly and why rockets reach space.
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.
For the dinner table
“Show me something at home that uses this kind of energy.”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Ready?
How Sound Waves Travel
Understand the idea. Then look for it everywhere.
Full screen — no distractions
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