Science 7B L1 Plate Tectonics

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Across
  1. 2. the sinking of one plate beneath another
  2. 3. zone area where two lithospheric plates come together and one sinks beneath the other
  3. 5. technology that uses sound waves to map the ocean floor
  4. 7. hypothesis explaining how the ocean floor forms and how continents can drift
  5. 9. theory that Earth’s surface is divided into lithospheric plates that move over the planet’s surface
  6. 11. location where two lithospheric plates slide past one another in opposite directions
  7. 12. location where two lithospheric plates move apart
  8. 13. long deep ocean canyons
Down
  1. 1. long mountain range on the ocean floor formed by magma at divergent boundaries.
  2. 4. hot air or liquids rise above cooler air or liquids
  3. 6. Wegener’s hypothesis that the continents move over Earth’s surface
  4. 8. location where two lithospheric plates come together
  5. 9. large landmass when all of the continents were connected together
  6. 10. sections of Earth’s crust that move around on the mantle