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Boom A volcano erupts in the distance with thick, orange liquid flowing down its slopes. As time passes, the lava hardens and cools into a solid rock. But what type of rock is it? Learn all about incredible igneous rocks, including how they form, what they're made out of, how... Read Full Overview

Boom A volcano erupts in the distance with thick, orange liquid flowing down its slopes. As time passes, the lava hardens and cools into a solid rock. But what type of rock is it? Learn all about incredible igneous rocks, including how they form, what they're made out of, how... Read Full Overview

Boom A volcano erupts in the distance with thick, orange liquid flowing down its slopes. As time passes, the lava hardens and cools into a solid rock. But what type of rock is it? Learn all about incredible igneous rocks, including how they form, what they're made out of, how... Read Full Overview

Boom A volcano erupts in the distance with thick, orange liquid flowing down its slopes. As time passes, the lava hardens and cools into a solid rock. But what type of rock is it? Learn all about incredible igneous rocks, including how they form, what they're made out of, how... Read Full Overview