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EnglandGeologyQuick questions
Module 3: Global tectonics - Plate tectonics
Quick questions on Volcanism and eruption styles: magma viscosity, effusive versus explosive eruptions and volcanic landforms - OCR A-Level Geology
3short 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 q1?Show answer
State how silica content affects the viscosity of a magma. [2 marks]
What is q2?Show answer
Explain why high-silica magmas erupt explosively. [2 marks]
What is q3?Show answer
Name the volcano type built by runny basaltic lava and state its likely plate setting. [2 marks]
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