Plate Tectonics

Edit Answers
12345678
Across
  1. 4. A deep valley that forms where two plates move apart.
  2. 5. A plate boundary where two plates move toward each other.
  3. 8. A plate boundary where two plates move away from eachother.
Down
  1. 1. A well- tested concept that explains a wide range of observations.
  2. 2. A plate boundary where two plates move past each other in opposite directions.
  3. 3. The theory that pieces of Earth’s lithosphere are in constant motion, driven by convection currents in the mantle.
  4. 6. A section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust.
  5. 7. A break in Earth’s crust where masses of rock slip past each other.