Rock cycle

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. Molten rock in the earth's crust (5)
  2. 5. The commonest type of solidified lava (6)
  3. 8. To sail to the windward of (10)
  4. 11. Hard outer layer of the Earth or of bread (5)
  5. 12. A sedimentary rock consisting of sand consolidated with some cement (9)
  6. 13. The central part of the Earth (4)
  7. 14. The phenomenon of sediment or gravel accumulating (7)
  8. 15. Mountain that erupts with lava (7)

Down

  1. 1. The layer of the earth between the crust and the core (6)
  2. 3. A tiny piece of anything (plural) (9)
  3. 4. A sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals (9)
  4. 6. The forcing of molten rock into fissures or between strata of an earlier rock formation (9)
  5. 7. A rock formed by the solidification of a substance (plural) (8)
  6. 9. Plutonic igneous rock having visibly crystalline texture (7)
  7. 10. A hard crystalline metamorphic rock that takes a high polish (6)
  8. 13. Fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period (4)