Across
- 5. a change in a form, appearance or character
- 7. composed of the crust and the portion of the upper mantle that behaves elastically on time scales of up to thousands of years or more.
- 9. Having the component of parts closely compacted together
- 10. A linear feature that exists between two tectonic plates that are moving away from each other.
Down
- 1. a several large landmasses
- 2. A fracture or zone of fractures between two block of rocks
- 3. The sudden release of strain energy in the Earth's crust, resulting in waves of shaking
- 4. American geophysicist who proposed the Sea Floor Spreading hypothesis
- 6. A German geologist who fully developed the Continental Drift Theory
- 8. Our home planet