Across
- 3. surface along which rocks break and move
- 4. plastic-like layer below the lithosphere
- 6. all landmasses were connected then broke apart.
- 7. surface along which rocks break and move
- 8. a theory explaining the structure of the earth's crust and many associated phenomena as resulting from the interaction of rigid lithospheric plates that move slowly over the underlying mantle.
- 9. steep-walled depression around a volcano's vent
Down
- 1. hypothesis proposed by Alfred Wegener that the states that continents have moved slowly to their current locations on Earth
- 2. vibrations caused by breaking rocks along faults
- 5. rigid, outermost layer of Earth that is about 100km thick, and is composed of the crust and part of the upper mantle
- 9. the outermost layer of a planet.