SME
Grade 12 Science · Problem type
Water, ice or wind?
Use this for “Which agent of erosion carved a U-shaped valley?”
Sort
What made this landform?
Tap a card, then tap its group.
Assumptions
•
Each agent erodes and drops sediment in its own way.
•
Water sorts sediment by size; ice drops it all mixed together.
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Mechanical or chemical weathering?
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Geologic time and radiometric dating
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