Vocab

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Across
  1. 2. the process that occurs when one tectonic plates moves under another tectonic plate
  2. 4. the boundary between two plates that move towards each other
  3. 8. the process by which new oceanic crust forms a long a mid-ocean ridge and older oceanic crust moves away from the ridge
  4. 10. the circulation of material caused by differences in temperature and density
  5. 11. the boundary between two plates that slide past each other
Down
  1. 1. theory that Earth's surface is broken into large,rigid pieces that move with respect to each other
  2. 3. an event that causes a magnetic field to reverse direction
  3. 5. the boundary between two plates that move away from each other
  4. 6. long, narrow mountain range on the ocean floor;formed by magma at divergent plate boundaries
  5. 7. the movement of Earth's continents over time
  6. 9. name given to a super continent that began to break apart approximately 290 million years ago