Volcanoes

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What are scientists that study volcanoes called?

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volcanologist

Front

What is Magma when it reaches the surface of Earth?

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Lava

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A volcano that has gentle sloping sides and is formed from runny lava

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Shield volcano

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When an explosive eruption forms a mixture of hot rock, ash, and gas, this material is called a...?

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Pyroclastic flow

Front

This is the name for the chain of volcanos around the edge of the Pacific Plate.

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Ring of Fire

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A volcano that has steep sides and is formed from lava chunks is called

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a cinder cone volcano

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Volcanoes are found...

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on land, under water, on islands, all of the above

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The formation of the Hawaiian Islands is one example of

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volcanoes forming over a hot spot

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If a volcano's magma is high in silicia, the volcano will probably

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erupt explosively

Front

Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called

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composite volcanoes