Why Seasons Change

Lab Brief #11

🎯 Your mission

Set it up. Test it. Be amazed.

⚡ The twist

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

What you'll learn · 1 of 2

Seasons change because the Earth leans to one side.

What you'll learn · 2 of 2

The half leaning toward the sun gets warmer, and that half has summer.

Key words

season
One of the four times of year with its own kind of weather.
summer
The warmest season of the year.

Make a hypothesis first

Before you observe: what shape will it leave?

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

Get ready

🧰 What you need

water

⚠️ Safety first

Mop up spills straight away so nobody slips, and keep liquids away from sockets.

Step 1 of 4 · Read

Say the vocabulary words out loud. Can you repeat them?

Step 2 of 4 · Do

Put a cup of water outside. Check it tomorrow—did it change?

Step 3 of 4 · Observe

Use your eyes, ears, and hands to explore. What do you notice?

Step 4 of 4 · Record

Color a picture to show what happened.

Question 1 of 3

What season comes after summer?

Question 2 of 3

Is the sun hot or cold?

Question 3 of 3

What comes before summer?

Mind = blown

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

Nice work!

You got 0 of 3 right.

Next: Leaves Fall and Grow All lessons

🎯

Next Smart Experiment

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

✨ 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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Why Seasons Change

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