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10 Cards in this Set
- Front
- Back
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a huge circular crater, caused when a volcano collapses into the magma chamber below.
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Caldera
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the circular funnel-shaped opening in the top of a volcanic cone.
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Crater
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the pouring out of lava and gas on to the Earth's surface.
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Eruption
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The name given to the theory that the Earth's crust is made up of moving sections of "plates".
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Plate tectonics
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An enormous and very destructive sea wave cause by a submarine earthquake or volcanic eruption.
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Tsunami
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Small fragments of rock and lava blown out of a volcano during an eruption.
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Ash
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the area along the edges of the Pacific Ocean where many of the world's earthquakes and volcanoes occur.
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Ring of Fire
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a rapidly flowing hot cloud of gas and ash blown out of the mouth of a volcano.
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Pyroclastic flow
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molten rock poured out at the Earth's surface. It can be thick and sticky or runny.
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Lava
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The molten rock deep in the mantle and lower crust, from which igneous rocks are made.
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Magma
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