Unit 8: Option B — Oceans and Coastal Margins
Topic 8.1: Ocean–atmosphere interactions Questions
Practice 20 exam-style questions for IB Geography Topic 8.1. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Outline2 marks
2026
Outline one way a hurricane changes the physical environment of a sandy coast.
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The minimum sea-surface temperature a tropical storm needs is about…
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Explain why tropical storms form mainly between about 5 and 20 degrees latitude and not on the Equator itself.
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During an El Nino event, the eastern Pacific Ocean off Peru becomes…
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The thermohaline conveyor belt is driven mainly by differences in…
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Upwelling supports large fisheries because it brings…
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A tropical storm in the Indian Ocean is usually called a…
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Which is a typical impact of a La Nina event?
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Tropical storms get most of their energy from…
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Why can a warmer ocean make tropical storms more dangerous?
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Explain why a tropical storm weakens once it moves over land or cooler water.
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Suggest how warming oceans could increase the risk that tropical storms pose to a low-lying coast.
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2026
Outline one impact of a hurricane on coastal ecosystems.
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2021
The table shows the forecast track of a hurricane. State the direction in which it is forecast to move between days 0 and 3.
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2021
Using the table, state the main direction of movement between days 3 and 4.
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2021
Tropical cyclones in the Southern Hemisphere usually form in the tropics and then curve away from the equator. State the general direction in which their tracks move.
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2021
Using the table, estimate how many hours the hurricane is forecast to take to travel from its day 0 to its day 3 position.
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2021
Using the table, estimate the average speed of the hurricane over the first 48 hours in km per hour.
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2024
The table shows the storm seasons of different regions. Typhoons of the western North Pacific strike its western shores. State the continent they mainly affect.
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2026
Using the table, state the total share of deaths caused by water hazards (surge, rain, surf and offshore).
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