Plate Tectonics

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

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