71

Lesson 71 of 84 · Earth Systems

Simulation30 XP🌋 Rock Realm

Water for Life (Part 3)

🧪Lab Brief #71

Earth Systems.

🎯 Your mission

Push the limits. See what changes.

⚡ The twist

The slowest changes are the biggest ones.

🤯

Mind = Blown

🪨 Every grain of sand on every beach used to be a mountain.

🔮

Make a hypothesis first

Predict: which will erode faster?

What You'll Learn

Rain fills up rivers, lakes, and ponds. Animals and plants need this water to live.

Key Words

Tap a word to see its definition.

Steps

Step 1Read

Read about Earth Systems with a partner or grown-up.

Step 2Do

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

Step 3Observe

Watch carefully. What happens?

Step 4Record

Draw and write about what you learned.

Check Your Understanding

Question 1

1 of 3

What is a fossil?

🌍

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.

🖨️

Checkout complete lesson on Earth Systems for 2nd Grade

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

View in Shop

Your Cart (0)

Your cart is empty

Browse our shop to find activities your kids will love

Water for Life (Part 3) — Earth Systems | 2nd Grade Science | LittleActivity