Igneous Rock

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Across
  1. 4. A mountain that can erupt lava.
  2. 5. Hot melted rock under the Earth.
  3. 6. A naturally occurring solid substance.
  4. 9. Igneous rock formed above the ground.
  5. 11. The center of the Earth.
  6. 13. The outer layer of the Earth.
  7. 14. Igneous rock formed underground.
  8. 15. When hot magma or lava becomes solid.
Down
  1. 1. Hot melted rock that comes out of a volcano.
  2. 2. The layer under the crust.
  3. 3. A hard solid material made of minerals.
  4. 7. The planet we live on.
  5. 8. A solid formed in a repeating pattern.
  6. 10. A type of rock formed from cooled magma or lava.
  7. 12. The small pieces that make up rock.