Pasensya na Ha, Godbless :>, PART 2

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Across
  1. 2. The ___ period occured 145 MILLION YEARS AGO
  2. 7. (types of waves) that travel THROUGH the earth, ____ wave
  3. 9. The ____ are also used to prove wegener's theory that before the continents formed 1 supercontinent.
  4. 10. Also called LAMB WAVES are the most dangerous and the FASTEST among the surface waves, ____ waves
  5. 11. the SLOWEST type of wave among the body and surface waves, ____ waves
  6. 16. These large cracks in the earth's surface form plate-like sections of Earth's crust referred to as _______ plates
  7. 17. The ____ period occured 65 MILLION YEARS AGO
  8. 19. It is is an instrument that uses sound waves to measure distance. It bounces sound waves off underwater objects and records the echoes of these sounds.
Down
  1. 1. ___-____ ridge is the LONGEST CHAIN OF MOUNTAINS in the world.
  2. 3. Waves that move via the SURFACE of the earth (type of wave),____ wave
  3. 4. A fossil plant that helped Alfred Wegener's Continental Drift theory
  4. 5. the 1ST SUPEROCEAN surrounding pangea
  5. 6. There are ____ major plates
  6. 8. one of the 2 SUPERCONTINENT that derived from pangea 200 Million Years Ago (ON THE SOUTH AREA OF THE EARTH)
  7. 12. one of the 2 new supercontinent that came from pangea 200 Million Years Ago, (ON THE NORTH AREA OF THE EARTH
  8. 13. ____ Hess is the person who proposed the idea of SEA FLOOR SPREADING
  9. 14. Scientist that study the history of the earth through rocks and rock formations
  10. 15. There are ____ minor plates
  11. 18. The period that occured 200 MILLION YEARS AGO,this is where the 2 supercontinent: LAUARASIA AND GONDWANA was still present)