TECTONICS CROSSWORD

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Across
  1. 2. Molten liquid rock above ground
  2. 5. Pieces of Earth's crust that move into one another
  3. 7. A layer of Earth that is molten liquid rock
  4. 10. Minerals clumped together forming a solid object
  5. 11. A famous one is Mount Vesuvius
  6. 12. Black volcanic glass
  7. 14. Our planet
  8. 15. Pieces of Earth's crust that slide next to each other
Down
  1. 1. The super continent
  2. 3. Pieces of Earth's crust that move away from one another
  3. 4. Molten liquid rock under the Earth
  4. 6. A ground shaking event
  5. 8. Large-scale processes affecting Earth's crust
  6. 9. The rigid outermost part of Earth's crust
  7. 13. A large expanse of ground on a bed of magma