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9 Cards in this Set

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  • Back
Hot Spot
A place in the upper mantle of the Earth's crust where magma wells up and forms a volcano.
Vent
The weak area in rock through which magma can escape.
Lava
The extremely hot, melted rock that pours out of an erupting volcano.
Crater
A bowl-shaped landform made when an object hits a planet's or moon's surface or when a volcano erupts.
Cinder-cone volcano
A steep-sided volcano built up from eruptions of rock, cinders, and ash
Shield volcano
A wide, rounded volcano formed by very fluid lava over time.
Composite volcano
A steep-sided volcano built up from eruptions of both cinders and lava.
Geothermal energy
Heat energy that comes from Earth's interior and can be used to heat buildings or generate electricity.
Dike
A mass of rock that formed when magma flowed into a crack in another rock, then cooled.