Rocks Crossword

12345678910111213141516
Across
  1. 1. changing a rocks shape by heat, friction, stress, and pressure
  2. 3. type of magma rich in iron and magnesium and low in silica; forms dark colored igneous rock
  3. 5. original rock material that forms metamorphic rock
  4. 8. minerals precipitate out of a solution to fill the spaces between sand, pebbles, or other rock particles and bind the fragments together
  5. 10. naturally formed group of minerals bound together
  6. 11. repeated series of events by which rock gradually and continually changes
  7. 12. rock formed by the compaction and cementing of layers of sediments
  8. 13. magma rich in silica that forms light-colored igneous rock
  9. 15. hot molten rock that forms beneath Earth's surface
  10. 16. large mass of igneous rock exposed by erosion; forms core of many mountain ranges
Down
  1. 2. rock that has undergone chemical or structural change due to the effects of heat and pressure
  2. 4. process by which a rock's structure or composition is changed by pressure, heat, and moisture
  3. 6. intrusion of magma into Earth's crust, creating igneous rock formations
  4. 7. rock formed by the cooling and hardening of magma
  5. 9. arrangement of layers of sedimentary rock
  6. 14. remains, impression, or any other evidence of life from another geologic age preserved in rock