Lesson 43 of 84 ยท Weathering and Erosion
Experimentโญ 30 XP๐ Rock RealmThe Rock Cycle (Part 2)
Weathering and Erosion.
๐ฏ Your mission
Run the experiment. Find out what really happens.
โก The twist
Weather isn't random โ it's just complicated.
Mind = Blown
๐ The deepest part of the ocean is deeper than Mount Everest is tall.
Make a hypothesis first
Before you observe: what shape will it leave?
What You'll Learn
Erosion moves weathered rock and soil from one place to another by water, wind, ice, or gravity. Rivers carve valleys, wind shapes sand dunes, and glaciers grind mountains.
Key Words
- weathering
- erosion
- sediment
Materials Needed
- newspaper
- spray bottle
- cups
Safety First
- Use materials only as directed in the experiment.
Steps
Read the introduction and identify the main idea of this lesson.
Investigate soil layers: fill a jar with soil and water, shake it, and let it settle overnight. Identify the layers of clay, silt, sand, and organic matter.
Observe what happens and describe it in detail.
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3What is the rock cycle?
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
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