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How Rocks are Formed

Across
Red hot melted rock under the earth's surface.
A mountain formed by melted rock escaping from the earth's crust.
A kind of rock formed from other kinds of rock.
The hot, partly liquid center of the earth
Particles of materials that settle out of water.
The layer that surrounds the center of the earth
Down
Red hot melted rock as it comes out of the earth.
A solid material that occurs naturally in the earth.
A hot spring that erupts steam and hot water.
Rock formed from melted material that has cooled.
A scientist who studies features of the earth.
The thin, rocky outer layer of the earth.