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EnglandGeologyQuick questions
Module 2: Foundations in geology - Minerals and rocks
Quick questions on Weathering, erosion and transport: mechanical and chemical breakdown, rounding and sorting - OCR A-Level Geology
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is mechanical (physical) weathering?Show answer
Mechanical weathering breaks rock into smaller pieces without changing its chemistry, increasing the surface area for later chemical attack:
What is chemical weathering?Show answer
Chemical weathering alters the minerals into new substances, usually faster in warm, wet climates:
What is q1?Show answer
State the difference between weathering and erosion. [2 marks]
What is q2?Show answer
Name and describe one process of mechanical weathering. [2 marks]
What is q3?Show answer
Explain what well-rounded, well-sorted grains tell you about a sediment's transport history. [2 marks]
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