Rock cycle

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. A hard crystalline metamorphic rock that takes a high polish (6)
  2. 4. A soft whitish calcite (5)
  3. 6. Molten rock in the earth's crust (5)
  4. 7. A composite rock made up of particles of varying size (12)
  5. 9. A cylinder of calcium carbonate hanging from the roof of a limestone cave (10)
  6. 12. A slowly moving mass of ice (7)
  7. 14. Rigid connective tissue that makes up the skeleton of vertebrates (plural) (5)

Down

  1. 1. Mountain that erupts with lava (7)
  2. 2. Produced by the action of water (11)
  3. 3. Of or relating to ___ (11)
  4. 5. To sail to the windward of (9)
  5. 7. A rock formed by the solidification of a substance (7)
  6. 8. To make hot or hotter (6)
  7. 10. Produced under conditions involving intense heat (7)
  8. 11. A hard glossy mineral consisting of silicon dioxide in crystal form (6)
  9. 13. Hard piece of stone (4)