What Makes One Place Wetter Than Another

Lab Brief #6

🎯 Your mission

Set it up. Test it. Be amazed.

⚡ The twist

The slowest changes are the biggest ones.

What you'll learn

Distance from the sea, height above sea level, and which way the prevailing wind blows all shape a local climate. That is why one side of a small island can be lush and the other nearly bare.

Key words

prevailing wind
The direction the wind most often blows from in a place.
altitude
Height above sea level, which lowers temperature as it rises.

Make a hypothesis first

Predict: which will erode faster?

Say your guess out loud — then find out if you were right.

Get ready

🧰 What you need

climate data tables
graph paper
map

⚠️ Safety first

Have an adult check your set-up before you start, and tidy everything away afterwards.

Step 1 of 4 · Read

Think about what you just learned: say what "prevailing wind" and "altitude" mean in your own words before you start.

Step 2 of 4 · Do

Compare rainfall and temperature data for four places at similar latitude but different altitude and distance from the sea. Rank them and explain each position using the two factors.

Step 3 of 4 · Observe

Record what actually happened, including anything that did not match what you expected.

Step 4 of 4 · Record

Write a conclusion that answers the question this lesson opened with, and state your uncertainty.

Question 1 of 2

As altitude increases, temperature generally:

How sure are you?😐 maybe

Question 2 of 2

The prevailing wind is the direction wind:

How sure are you?😐 maybe

Mind = blown

🪨 Every grain of sand on every beach used to be a mountain.

Nice work!

You got 0 of 2 right.

Next: Reading a Weather Map All lessons

🎯

Next Smart Experiment

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✨ More to explore

🌍 Where you see this in real life: Today's weather, tomorrow's beach, next century's coastline — all this.

🏆 Stretch challenge (try it this week): Look at the sky for 5 minutes and try to predict tomorrow's weather.

👨‍👩‍👧 For the dinner table: “What's the slowest change you can think of?”

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What Makes One Place Wetter Than Another

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