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Lesson 1 of 15 · Weather

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What Is Weather?

What Is Weather?
🧪Lab Brief #1

What Is Weather?.

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ The twist

The slowest changes are the biggest ones.

🤯

Mind = Blown

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

🔮

Make a hypothesis first

Predict: which will erode faster?

What You'll Learn

Weather is what is happening in the sky right now: sunny, rainy, snowy, or windy.

Key Words

Tap a word to see its definition.

Steps

Step 1Read

Look at the new words. Can you say each one?

Step 2Do

Keep a weather journal for 5 days. Each day draw the sky and write the temperature.

Step 3Observe

Use your senses to describe what you notice.

Step 4Record

Write 1-2 sentences about what happened.

Check Your Understanding

Question 1

1 of 1

What happens when the sun heats water?

🌍

Where you see this in real life

Today's weather, tomorrow's beach, next century's coastline — all this.

🏆

Stretch Challenge

Try this in real life 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?

🎯

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?

What Is Weather?

Master the concept. Use it tomorrow.

Full screen — no distractions

🖨️

Checkout complete lesson on Weather for 1st Grade

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

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What Is Weather? — Weather | 1st Grade Science | LittleActivity