Plate motion and fossils

1234567891011121314151617181920
Across
  1. 3. hot liquid rock on the surface of Earth
  2. 4. The layer of soft solid rock underneath earths plate
  3. 11. The grouping of volcanos and earthquakes in certain areas demonstrates this.
  4. 12. two plates moving into each other
  5. 15. A diagram that shows what the inside of something looks like
  6. 16. What the earths outer layer is made of
  7. 18. an underwater mountain range formed when two plates move apart
  8. 19. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
  9. 20. When two plates slide
Down
  1. 1. The place where two plates meet
  2. 2. feature that forms on the surface of a planet, such as a mountain, channel or sand dune
  3. 5. What usually happens when two plates collide
  4. 6. What occurs when the ocean floor slides under the land?
  5. 7. natural solid with a characteristic crystal shape
  6. 8. a reptile from the Mesozoic era, in many species reaching an enormous size.
  7. 9. one of the earliest ways geologists thought continents moved over time.
  8. 10. The study of plate motion explains processes in the
  9. 13. When two plates move away from each other
  10. 14. a preserved remain, impression, or trace of any once-living thing from a past geological age
  11. 17. openings, or vents where lava, and steam erupt onto the Earth's surface