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Lesson 1 of 4 · Weather and Climate

Experiment30 XP🌋 Rock Realm

How Wind Forms

🧪Lab Brief #1

Weather and Climate.

🎯 Your mission

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

⚡ The twist

Today's mountain was yesterday's ocean floor.

🤯

Mind = Blown

🌋 There are 1,500 active volcanoes on Earth right now.

🔮

Make a hypothesis first

Guess: where will the water go first?

What You'll Learn

Wind forms when the sun heats Earth's surface unevenly, creating pressure differences. Air moves from high pressure to low pressure areas, and Earth's rotation curves the wind paths.

Key Words

Tap a word to see its definition.

Materials Needed

  • rocks
  • water
  • plastic tray

Safety First

  • Wash your hands thoroughly afterwards and keep the material away from your face.
  • Mop up spills straight away so nobody slips, and keep liquids away from sockets.

Steps

Step 1Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2Do

Model erosion: tilt a tray of soil and pour water from a cup at the top. Observe how channels form. Try adding plants or rocks to slow the erosion.

Step 3Observe

Observe what happens and describe it in detail.

Step 4Record

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

Check Your Understanding

Question 1

1 of 3

What causes wind?

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Where you see this in real life

This is shaping the ground you walk on, slowly, every single day.

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Stretch Challenge

Try this in real life this week.

Find a rock outside and try to guess how old it is.

👨‍👩‍👧

For the dinner table

What's the slowest change you can think of?

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Next Smart Experiment

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

🌍Share card

Share this experiment

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

Ready?

How Wind Forms

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

Full screen — no distractions

🖨️

Checkout complete lesson on Weather and Climate for 3rd Grade

Get the full Weather and Climate track as a printable PDF — all lessons, worksheets, and answer keys.

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How Wind Forms — Weather and Climate | 3rd Grade Science | LittleActivity