CROSS WORD PUZZLE >:)

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Across
  1. 2. the layer of earth that is liquid
  2. 7. the gradual movement of the continents
  3. 10. a variety of life forms in an area
  4. 12. when something is pulled away and dropped off somewhere else creating new land
  5. 13. what the last four planets are called
  6. 14. a large body of ice
  7. 17. the biggest layer of earth
  8. 19. waves that can only travel through solids
  9. 20. a large elevation on earths surface
Down
  1. 1. the coolest stars on the HR diagram
  2. 3. a natural disaster that causes the ground to shake
  3. 4. what red giants turn into once it sheds its outer layer
  4. 5. the force that pulls smaller objects towards bigger objects
  5. 6. what magma turns into when it reaches the earths surface
  6. 8. The theory on how the earth came to be
  7. 9. the first layer of earth
  8. 11. a mountain that erupts and spills lava
  9. 15. the fastest seismic waves
  10. 16. molten rock that rises up from the earths core
  11. 18. violently rotating winds