Earth's Dynamic Surface

12345678
Across
  1. 5. occurs when more dense oceanic crust moves under another tectonic plate into the mantle
  2. 6. boundary where tectonic plates moves sideways pass one another
  3. 7. supercontinent described by Alfred Wegener
  4. 8. type of currents found in Earth's mantle that help move tectonic plates
Down
  1. 1. forms at divergent boundaries with oceanic crust
  2. 2. boundary where tectonic plates move towards one another
  3. 3. boundary where tectonic plates move away from one another
  4. 4. forms at divergent boundaries with continental crust
  5. 6. deep ocean location where a tectonic plate is subducted