Lesson 2 of 2 · Weathering and Erosion

Experiment⭐ 30 XP🌋 Rock Realm

Reading a Weather Forecast

🧪Lab Brief #2

Weathering and Erosion.

🎯 Your mission

Run the experiment. Find out what really happens.

⚡ The twist

Weather isn't random — it's just complicated.

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Mind = Blown

🌊 The deepest part of the ocean is deeper than Mount Everest is tall.

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Make a hypothesis first

Before you observe: what shape will it leave?

What You'll Learn

A forecast combines temperature, chance of rain, wind speed and direction. The percentage is not how hard it will rain but how likely rain is anywhere in that area, which is why a 40% forecast often means a dry afternoon.

Key Words

Tap a word to see its definition.

Materials Needed

notebook
thermometer

Safety First

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

Steps

Step 1 — Read

Read the explanation above and note the two key terms before you start.

Step 2 — Do

Record the forecast for your area each morning for a week and the actual weather each evening. Count how many days matched and work out the forecast's success rate.

Step 3 — Observe

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

Step 4 — Record

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

Check Your Understanding

Question 1

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A 40% chance of rain means rain is:

How sure are you going to be?😐 maybe

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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.

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For the dinner table

“What's the slowest change you can think of?”

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