15

Lesson 15 of 84 ยท Human Impacts on Earth

Simulationโญ 30 XP๐ŸŒฟ Wild Jungle

Sound: Pitch and Volume

๐ŸงชLab Brief #15

Human Impacts on Earth.

๐ŸŽฏ Your mission

Play with the model. Break it. Understand it.

โšก The twist

Every species solves the same problem differently.

๐Ÿคฏ

Mind = Blown

๐ŸŒณ Trees can talk to each other through underground fungus networks.

๐Ÿ”ฎ

Make a hypothesis first

Before you watch: what do you think it'll do?

What You'll Learn

Sound waves have properties including amplitude (loudness), frequency (pitch), and wavelength. Higher frequency means higher pitch. Greater amplitude means louder sound.

Key Words

  • criteria
  • iteration
  • wavelength

Steps

Step 1 โ€” Read

Study the diagram and label the parts you recognize.

Step 2 โ€” Do

Build a working anemometer using paper cups and straws. Calibrate it by counting rotations in a known wind speed.

Step 3 โ€” Observe

Observe what happens and describe it in detail.

Step 4 โ€” Record

Record your observations in your science journal with measurements and descriptions.

Check Your Understanding

Question 1

1 of 3

Can sound travel through a vacuum?

๐ŸŒ

Where you see this in real life

This is why plants grow toward windows and why scabs form.

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Stretch Challenge

Try this in real life this week.

Watch a plant or pet for 5 minutes today and write down what you noticed.

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘ง

For the dinner table

โ€œTell me something you noticed about your own body today.โ€

๐ŸŽฏ

Next Smart Experiment

We'll pick an experiment that matches exactly how you're thinking right now.

๐Ÿ’งShare card

Share this experiment

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

๐Ÿ–จ๏ธ

Checkout complete lesson on Human Impacts on Earth for 7th Grade

Get the full Human Impacts on Earth track as a printable PDF โ€” all lessons, worksheets, and answer keys.

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