Across
- 1. The processes by which tectonics plates sink or slide back from Earth's outer layer, into it's middle layer called the mantle
- 5. The rising and falling of material in a fluid due to uneven temperature
- 6. In geology, an area where tectonic plates move past each other
- 7. In geology, Earth's inner most layer
- 8. The procsess by which material rises from Earth's middle layer into its outer layer,where it will become part of the tectonic plates
- 11. In geology Earth's middle layer
Down
- 2. Able to carry an electric current
- 3. An area around the Pacific Ocean's edge where plate tectonics processes cause relatively frequent earthquake & volcanic eruptions
- 4. The gigantic slabs s- some spanning thousands of miles- that make up Earth's outer layer
- 9. The study of Earth's physical structure, history & processes
- 10. tectonics The study of massive moving pieces that make up Earth