Lesson 14 of 84 ยท Weathering and Erosion
Lessonโญ 30 XP๐ Rock RealmMinerals and Their Properties
Weathering and Erosion.
๐ฏ Your mission
Master the concept. Use it tomorrow.
โก The twist
Today's mountain was yesterday's ocean floor.
Mind = Blown
๐ There are 1,500 active volcanoes on Earth right now.
Make a hypothesis first
Guess: where will the water go first?
What You'll Learn
Minerals are naturally occurring, inorganic solids with a crystalline structure and definite chemical composition. Minerals are identified by hardness, luster, color, streak, and cleavage.
Key Words
- igneous
- metamorphic
- sedimentary
Steps
Review the background information on Weathering and Erosion before starting.
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.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What makes soil fertile?
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
โWhat's the slowest change you can think of?โ
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 Weathering and Erosion for 4th Grade
Get the full Weathering and Erosion track as a printable PDF โ all lessons, worksheets, and answer keys.
