Continental Drift / Seafloor Spreading Crossword

Edit Answers
12345678910111213141516171819
Across
  1. 2. The __________ rocks are found along the mid-ocean ridge (young or older)
  2. 4. Underwater mountain and volcano chains
  3. 8. Theory that the ocean floor moves like conveyor belts, transporting the continents across the Earth's surface
  4. 10. Type of igneous rock found on the ocean floor; acts like a compass because it contains iron
  5. 11. Earth's _______ poles have flipped several times in Earth's history
  6. 12. The __________ rocks are found near the coastline (young or older)
  7. 13. The ____ temperature rocks are found near the mid-ocean ridge (High or cold)
  8. 14. Preserved animal and plant remains used to show that Pangaea did exist
  9. 15. Layer of Earth where magma comes from
  10. 16. Scientist who discovered continental drift
  11. 17. layer of Earth that contains continents and seafloor
  12. 19. supercontinent proposed by Wegner
Down
  1. 1. Theory that the continents have slowly moved over time
  2. 3. The ____ temperature rocks are found near the coastline (high or cold)
  3. 5. The ship used to collect samples from the ocean floor
  4. 6. Wegner thought that the continents looked like a ______ because they fit together
  5. 7. ______ waves are used in sonar and echolocation to detect the ocean floor and other objects
  6. 9. Fossils of warm-climate plants were found on this chilly continent
  7. 13. Scientist who discovered seafloor spreading
  8. 18. Explanation for how or why something occurs