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Grade 3
Earth Systems
9. Landforms
9.1 Formation Processes, Erosion, deposition, weathering
Weathering, Erosion, and Deposition: How Earth's Surface Changes
You will discover how powerful natural forces break down rocks, move soil, and build brand-new landforms all around the world.
What You'll Learn
You learn weathering breaks rocks into smaller pieces over time.
You discover erosion moves broken rock and soil to new places.
You see deposition drops sediment to build brand new landforms.
You explore how wind, water, and ice reshape Earth's surface.
What You'll Practice
1
You will define weathering, erosion, deposition, and sediment correctly.
2
You will identify landforms shaped by each formation process studied.
3
You will explain how plants and roots help prevent soil erosion.
Why This Matters
Understanding weathering, erosion, and deposition helps you explain how Earth's surface changes and why protecting our land and soil matters every day.
This Unit Includes
1 Video lesson
Practice exercises
Learning resources
Skills
Weathering
Erosion
Deposition
Sediment
Landforms
ON Curriculum Aligned