Digging Rocks

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 6. A hard crystalline metamorphic rock that takes a high polish (6)
  2. 8. Condition in which the earth's surface is worn away by the action of water and wind (7)
  3. 9. Produced by the action of water (11)
  4. 10. Hard piece of stone (plural) (5)
  5. 12. A parallelogram with four equal sides (7)
  6. 14. United States baseball player (6)

Down

  1. 1. Produced under conditions involving intense heat (7)
  2. 2. Clear liquid we drink that falls as rain (5)
  3. 3. Hard outer layer of the Earth or of bread (5)
  4. 4. Mountain that erupts with lava (7)
  5. 5. Fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period (4)
  6. 6. Molten rock in the earth's crust (5)
  7. 7. A sedimentary rock consisting of sand consolidated with some cement (9)
  8. 10. A deep and vivid red color (4)
  9. 11. The part of the earth's surface consisting of humus and disintegrated rock (4)
  10. 13. The state of being covered with unclean things (4)