Across
- 3. a characteristic of a particular substance that can be observed in a chemical reaction
- 4. the scars left in plate interiors by the action of transform faults that offset mid-ocean ridge segments
- 6. the transformation of some fraction of the mass of a solid rock into a liquid as a result of decompression, heat input, or addition of a flux
- 10. Continents that were once one super continent
- 12. the process of collecting and processing materials (that would otherwise be thrown away as trash) and remanufacturing them into new products.
- 14. Large area of land
- 16. large block or tabular section of the lithosphere that reacts to tectonic forces as a unit and moves as such
- 18. when two plates slide past each other and make faults
- 20. steep depressions in the deepest parts of the ocean
Down
- 1. a geologic process in which tectonic plates—large slabs of Earth's lithosphere—split apart from each other
- 2. divergent, convergent, and transform plate boundaries.
- 5. Plates collide and create mountains
- 7. relating to the structure of the surface of the earth and the way it is formed, changed, and moved by forces inside it
- 8. one of the earliest ways geologists thought continents moved over time
- 9. Plates move away from each other cause canyons
- 11. Beginning or origin
- 13. to project from the surrounding soil. ledges
- 15. occurs when an oceanic plate runs into a continental plate and slides beneath it
- 17. Causes movement of land/Earthquakes
- 19. One billion years