Lesson 65 of 84 · Fossils
Experiment⭐ 30 XPLandforms: Mountains, Valleys, Plains (Part 2)
Landforms: Mountains, Valleys, Plains (Part 2).
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ 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
Landslides occur when slopes become unstable due to heavy rain, earthquakes, or human activity. Gravity pulls loose rock and soil downhill, sometimes with devastating speed.
Key Words
- landform
- soil
Materials Needed
- thermometer
- rain gauge
- cotton balls
Safety First
- Do not mix unknown chemicals together.
Steps
Study the diagram and label the parts you recognize.
Model plate tectonics using graham crackers on frosting. Push them together, pull them apart, and slide them past each other to show convergent, divergent, and transform boundaries.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What is the ozone layer?
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 this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Checkout complete lesson on Fossils for 3rd Grade
Get the full Fossils track as a printable PDF — all lessons, worksheets, and answer keys.