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Lesson 74 of 84 · Weather

Lesson30 XP🌋 Rock Realm

How Sand Is Made (Part 3)

🧪Lab Brief #74

How Sand Is Made (Part 3).

🎯 Your mission

Learn the rule. Then catch nature using it.

⚡ The twist

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

🤯

Mind = Blown

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

🔮

Make a hypothesis first

Before you observe: what shape will it leave?

What You'll Learn

Sand at the beach was once big rocks that broke down over millions of years.

Key Words

Tap a word to see its definition.

Steps

Step 1Read

Look at the picture and read the labels.

Step 2Do

Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.

Step 3Observe

Draw a picture of what you observe.

Step 4Record

Share your results with a partner.

Check Your Understanding

Question 1

1 of 3

What is a volcano?

🌍

Where you see this in real life

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

🏆

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?

🎯

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.

🖨️

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How Sand Is Made (Part 3) — Weather | 2nd Grade Science | LittleActivity