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16 October 2014

	BBC Homepage Scotland Education Scotland
»	Environmental Hazards Floods Cause Impact Prediction Action Volcanoes Cause Impact Prediction Action Revision Summary
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Features Exercise The illustration shows a cross section of a volcano. Each of the main features has been numbered. Look at the two descriptions for each feature and select the correct answer. Number 1 is a a. Magma chamber b. Lava dome Number 2 is a a. Spine b. Vent Number 3 is a a. Phreatic explosion b. Seismic explosion Number 4 is a a. Magma sphere b. Lava dome Number 5 is a a. Lahar b. Ash cloud Number 6 is a a. Pyroclastic surge b. Pyroclastic flow Number 7 is a a. Lava flow b. Pyroclastic flow Number 8 is a a. Lahar b. Dome

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