Plate Tectonics
Across
- 3. ______boundaries Forms when two (crustal) Lithospheric Plates move apart
- 5. theory of the formation and movement of the plates that cover the Earth's surface.
- 7. _____spreading. states that youngest rocks of ocean floor are at diverging boundaries, moving outward.
- 8. The theory that all continents are fragments of Pangaea now drifting apart
- 9. The partially melted layer of the mantle that underlies the lithosphere.
Down
- 1. ______boundaries Forms when two (crustal) Lithospheric plates slide past each other
- 2. The outer shell of Earth that extends to a depth of 100km.
- 4. a number of rigid, but moving, pieces of the Earth's surface
- 6. ______boundaries Forms when two (Crustal) Lithospheric Plates come together