Lesson 5 of 15 · Weather
Experiment⭐ 30 XP🌋 Rock RealmHow Rivers Flow
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How Rivers Flow.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
Today's mountain was yesterday's ocean floor.
Mind = Blown
🪨 Every grain of sand on every beach used to be a mountain.
Make a hypothesis first
Guess: where will the water go first?
What You'll Learn
Rivers flow from high places to low places, carrying water, sand, and tiny rocks along the way.
Key Words
Tap a word to see its definition.
Materials Needed
- rocks
- sand
- water
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?
Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.
Watch carefully. What happens?
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What is soil made of?
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?
How Rivers Flow
Run the experiment. Find out what really happens.
Full screen — no distractions
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