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Lesson 3 of 10 · Mixing Things Together

Lesson30 XP

Smooth and Rough

Smooth and Rough
🧪Lab Brief #3

Mixing Things Together.

🎯 Your mission

Learn the rule. Then catch nature using it.

⚡ The twist

Nature loves to surprise the careful watcher.

🤯

Mind = Blown

🔬 The more you look, the more nature shows you.

🔮

Make a hypothesis first

Before you start: write down what you think will happen, and why.

What You'll Learn

Some things are smooth, some are rough. Touch different objects and feel the difference!

Key Words

Tap a word to see its definition.

Steps

Step 1Read

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

Step 2Do

Sort objects into groups: hard things and soft things.

Step 3Observe

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

Step 4Record

Color a picture to show what happened.

Check Your Understanding

Question 1

1 of 2

Which sense tells you if something is rough?

🌍

Where you see this in real life

This shows up in your everyday life more than you'd think.

🏆

Stretch Challenge

Try this in real life this week.

Try one experiment in real life this week — even a tiny one.

👨‍👩‍👧

For the dinner table

What's the most surprising thing you learned today?

🎯

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?

Smooth and Rough

Learn the rule. Then catch nature using it.

Full screen — no distractions

🖨️

Checkout complete lesson on Mixing Things Together for Pre-School

Get the full Mixing Things Together track as a printable PDF — all lessons, worksheets, and answer keys.

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Smooth and Rough — Mixing Things Together | Pre-School Science | LittleActivity