Unit 10: Option D — Geophysical Hazards
Topic 10.1: Geophysical systems Questions
Practice 20 exam-style questions for IB Geography Topic 10.1. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Identify2 marks
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The table lists changes to the physical landscape shown on a diagram of liquefaction effects after an earthquake.
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A tsunami is first triggered by…
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Explain how a high water content increases the risk of a mass movement on a slope.
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Explain how the type of plate margin controls the characteristics of the volcanoes that form there.
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Explosive composite volcanoes form mainly at…
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Very large earthquakes are rare mainly because…
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The mass movement that moves the most slowly is…
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Explain how the type of plate margin affects the characteristics of the earthquakes that occur there.
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Explain how building and quarrying on a hillside can make a mass movement more likely.
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Unlock Question10Outline4 marks
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Outline two ways in which earthquakes and volcanoes are distributed in relation to plate margins.
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Outline two physical factors, other than water content, that can make a slope fail quickly.
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Lava from a shield volcano flows out across a wide area. Outline one reason for this and develop how it makes the lava spread so far.
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A rock fall can be classified as a secondary geophysical hazard. Outline one situation in which this is the case, and explain why.
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Outline one physical factor that influences how fast a mass movement travels down a slope, and explain its effect.
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Very high-magnitude earthquakes happen only rarely. Outline one reason for this and develop how that process controls their frequency.
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A landslide struck a hillside soon after several days of rain. Outline one physical factor that helped this mass movement happen so quickly, and explain how it speeds the onset.
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Outline one way people can make a slope more likely to fail, and briefly explain how it does so.
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The table classifies five mass-movement types by their typical slope steepness and speed.
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A rock fall counts as a secondary hazard when it is…
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Tectonic plates move because of convection currents in the…
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