Across
- 2. Push Tectonic process associated with convection currents in Earth's mantle that occurs when the weight of an elevated ridge pushes and oceanic plate toward a subduction zone.
- 6. Pull Associated with convection currents in Earths mantle that occurs as the weight of the subduction plates pulls the trailing lithosphere into a subduction zone
- 8. A _________ map uses contour lines, sybols, and color to show changes in elevation.
- 9. Process by which one tectonic plate slips beneath another plate tectonic.
Down
- 1. Spreading Hess's theory that new ocean crust is formed at mid-ocean ridges and destroyed at deep sea trenches
- 3. Plate _________ cause earthquakes, volcanic eruptions and landslides
- 4. Wegener's hypothesis
- 5. Valley A long narrow depression that forms when continental crust begins to separate at a divergent boundary
- 7. Tectonics plates interact at places called plate _______.