Lesson 59 of 84 · Earth Systems
Simulation⭐ 30 XP🌋 Rock RealmStalactites in Caves (Part 2)
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
Stalactites hang from cave ceilings. They form from water dripping and leaving minerals behind.
Key Words
Tap a word to see its definition.
Steps
Look at the picture and read the labels.
Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.
Draw a picture of what you observe.
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3What is a volcano?
Where you see this in real life
This is shaping the ground you walk on, slowly, every single day.
Stretch Challenge
Try this in real life this week.
Find a rock outside and try to guess how old it is.
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.
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.
