Lesson 12 of 15 · Earth Materials
Experiment⭐ 30 XP🌋 Rock RealmThe Salty Ocean
%22%20%2F%3E%0A%20%20%0A%20%20%20%20%20%20%20%20%3Ccircle%20cx%3D%22638%22%20cy%3D%22120%22%20r%3D%2255%22%20fill%3D%22%23fed7aa%22%20opacity%3D%220.5%22%20%2F%3E%0A%20%20%20%20%20%20%20%20%3Cpolygon%20points%3D%2280%2C380%20240%2C200%20380%2C380%22%20fill%3D%22%23fed7aa%22%20opacity%3D%220.4%22%20%2F%3E%0A%20%20%20%20%20%20%20%20%3Cpolygon%20points%3D%22320%2C380%20480%2C180%20620%2C380%22%20fill%3D%22%23fed7aa%22%20opacity%3D%220.35%22%20%2F%3E%0A%20%20%20%20%20%20%20%20%3Cpolygon%20points%3D%22540%2C380%20680%2C240%20800%2C380%22%20fill%3D%22%23fed7aa%22%20opacity%3D%220.3%22%20%2F%3E%0A%20%20%20%20%20%20%0A%20%20%3Ctext%20x%3D%22400%22%20y%3D%22270%22%20font-size%3D%22180%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20font-family%3D%22-apple-system%2C%20Segoe%20UI%2C%20Roboto%2C%20sans-serif%22%3E%F0%9F%92%A7%3C%2Ftext%3E%0A%3C%2Fsvg%3E)
Earth Materials.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ 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
The ocean covers most of Earth's surface. Ocean water is salty!
Key Words
Tap a word to see its definition.
Materials Needed
- water
- plastic tray
Safety First
- Mop up spills straight away so nobody slips, and keep liquids away from sockets.
Steps
Look at the new words. Can you say each one?
Make a mini water cycle: put warm water in a bowl, cover it with plastic wrap, and place an ice cube on top. Watch what happens.
Draw a picture of what you observe.
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3What is the water cycle?
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 this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Ready?
The Salty Ocean
Set it up. Test it. Be amazed.
Full screen — no distractions
Checkout complete lesson on Earth Materials for 1st Grade
Get the full Earth Materials track as a printable PDF — all lessons, worksheets, and answer keys.