Lesson 3 of 5 · Magnets
Lesson⭐ 30 XP⚡ Spark LabHow Sound Waves Travel
How Sound Waves Travel.
🎯 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.
Make a hypothesis first
Predict: what happens if you double the force?
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.
Use your senses (except taste) to describe what you notice.
Write a summary of your findings in 3-5 sentences.
Check Your Understanding
Question 1
1 of 3What does Newton's third law state?
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.”
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
Master the concept. Use it tomorrow.
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