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4
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A black rock that forms from cooled lava with small crystals
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6
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A rock that is white/grey in colour with loads of air holes.
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7
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The name given to the molten rock inside the Earth.
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8
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A rock that has lots of large crystals usually pink, white and black
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1
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A black/brown rock with many holes where gas has escaped from the rock as it cooled.
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2
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A route molten rock takes to reach the surface.
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3
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A rock that has no crystals called volcanic glass.
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5
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The name given to the molten rock that is found on the outside of the volcano.
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