Across
- 3. the process by which new oceanic lithosphere
- 6. the study of the alignment of magnetic minerals in rock
- 7. the boundary between tectonic plates that are colliding
- 9. the solid, plastic layer of the mantle beneath the lithosphere
- 10. hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations
Down
- 1. the boundary between tectonic plates that are sliding past each other horizontally
- 2. a long, undersea mountain chain that has a steep, narrow valley at its center
- 4. theory that explains how large pieces of the lithosphere
- 5. the boundary between tectonic plates that are moving away from each other
- 8. the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle