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EnglandGeologyQuick questions
Rock-forming processes
Quick questions on Weathering, erosion and sediment transport: physical, chemical and biological breakdown, rounding, sorting and maturity - Eduqas 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 physical (mechanical) weathering?Show answer
Physical weathering breaks rock into smaller pieces without changing its chemistry, which increases the surface area available for later chemical attack:
What is chemical weathering?Show answer
Chemical weathering alters the minerals into new substances, and is fastest in warm, wet climates because it depends on water:
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 physical weathering and one of chemical weathering. [3 marks]
What is q3?Show answer
Name the four modes of transport and state which carries the finest grains. [3 marks]
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