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9.6 - Volcanoes: The Threats

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✅EvaluateQuestion 1 of 21

Which hazard is a stream of molten rock moving downslope from a volcano?

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✅EvaluateQuestion 2 of 21

Pyroclastic flows are BEST described as:

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✅EvaluateQuestion 3 of 21

Ashfall is most likely to be carried far from the volcano by:

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✅EvaluateQuestion 4 of 21

A lahar is a volcanic:

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✅EvaluateQuestion 5 of 21

Volcanic centres are most common in which part of the Caribbean?

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✅EvaluateQuestion 6 of 21

Which island is best known for the Soufrière Hills volcano?

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✅EvaluateQuestion 7 of 21

Which set lists ONLY volcanic threats named in the syllabus selection for this topic?

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✅EvaluateQuestion 8 of 21

A village is built on a valley floor below a volcano. Which TWO hazards are MOST likely to be channeled directly towards it?

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✅EvaluateQuestion 9 of 21

After an eruption, heavy rain begins two days later. Which hazard becomes MORE likely even if no new lava erupts?

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✅EvaluateQuestion 10 of 21

A Met Office report says winds are blowing from east to west (an easterly wind). If a volcano erupts on the island, ashfall is MOST likely to affect areas:

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✅EvaluateQuestion 11 of 21

Which impact is MOST directly associated with ashfall in Caribbean territories?

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✅EvaluateQuestion 12 of 21

A small airport in the Eastern Caribbean closes during a volcanic event. Which hazard is the MOST likely reason?

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✅EvaluateQuestion 13 of 21

Which statement BEST explains why lava flows often follow certain paths?

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✅EvaluateQuestion 14 of 21

Not all volcanic hazards are equally easy to escape. Which hazard usually gives the LEAST time to run away once it starts moving?

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✅EvaluateQuestion 15 of 21

Two communities are threatened by the same erupting volcano. Community X is 2 km down a steep valley; Community Y is 8 km away on a ridge, downwind. Which statement is MOST accurate?

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✅EvaluateQuestion 16 of 21

A student claims: “The most dangerous volcanic hazard is always lava because it is hot.” Which is the BEST evaluation?

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✅EvaluateQuestion 17 of 21

A community plans to reduce volcanic risk. Which combination is MOST effective for reducing deaths from lahars?

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✅EvaluateQuestion 18 of 21

A volcano has deposited thick ash on slopes. What is the MOST likely chain of events during intense rainfall?

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✅EvaluateQuestion 19 of 21

Which factor would MOST increase the area affected by ashfall from an eruption in St Vincent?

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✅EvaluateQuestion 20 of 21

Kick ’em Jenny is a submarine volcano north of Grenada. Which hazard would be a PARTICULAR concern from an undersea eruption near islands?

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✅EvaluateQuestion 21 of 21

A volcanic alert is lowered because the eruption has stopped, but officials still restrict access to river valleys. What is the BEST reason?

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✅EvaluateQuestion 1 of 21

Which hazard is a stream of molten rock moving downslope from a volcano?

0 / 1 marks

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