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Year 8 Volcanoes
Learn your key volcanic terms!
Terms in this set (24)
Ash, Steam and Gas
Material erupted from a volcano - including sulphur dioxide and small rock particles
The central part of the earth
Steep sided volcanic cones made up of layers of ash and lava (also known as strato-volcanoes)
Crust that consists of the earth's continents - permanent - cannot by destroyed
The movement of the earth's continents
Bowl shaped depression at the top of a volcano containing the vent
The outermost part of the earth (between 5-70km thick)
A sudden ground movement caused by a sudden release of energy
A volcanic mudflow
Molten or semi-molten rock erupted from a volcano
Crust found under the sea - thinner and denser than continental crust and constantly renewed and destroyed
Molten or semi-molten rock underground
Large underground pool of magma
Thickest part of the earth's interior (between the crust and core)
Burning cloud of ash, gas and dust, which travels at fast speeds down the side of a volcano
Small volcanic feature formed on the side of the main volcano by a secondary vent (often formed when a main vent is blocked)
Low, gently sloping volcano formed by runny lava at constructive boundaries
An instrument used to measure volcanic gases
A slab of the earth's crust that moves on top of the mantle below
An instrument used to measure changes in the shape of a volcano
An instrument used to the detect heat underground
The point where volcanic material is erupted from
An opening in the earth's crust through which molten rock reaches the surface
Large fragments thrown out of a volcano.
Sets with similar terms
ES Ch13 Voc
Plate Tectonics Vocabulary
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