Lesson 29 of 84 · Human Impacts on Earth
Experiment⭐ 30 XP🌿 Wild JungleSound Waves and Vibrations (Part 2)
Human Impacts on Earth.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Living things break the rules of non-living things — find the rule they break.
Mind = Blown
🦠 You have more bacterial cells in your body than human cells.
Make a hypothesis first
Predict: what will happen to the plant if you change the water?
What You'll Learn
Waves transfer energy without transferring matter. Transverse waves (like light) vibrate perpendicular to the direction of travel. Longitudinal waves (like sound) vibrate parallel.
Key Words
- experiment
- conclusion
Materials Needed
- ruler
- markers
- popsicle sticks
- pennies
- plastic wrap
- cardboard
Safety First
- Wash hands after handling materials.
Steps
Look at the vocabulary words and write a definition for each in your own words.
Build a working anemometer using paper cups and straws. Calibrate it by counting rotations in a known wind speed.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What is the electromagnetic spectrum?
Where you see this in real life
Your own body is doing this thousands of times every second.
Stretch Challenge
Try this in real life this week.
Find one thing about your body that's different from a friend's. Wonder why.
For the dinner table
“Tell me something you noticed about your own body today.”
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.
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