Restless Earth Vocab
Across
- 6. Includes the crust and upper part of the mantle, divided into plate tectonics
- 7. Located between the mantle and outer core
- 8. name of the ancient super continent when it was all one landmass
- 10. Formed as a result of a high temperature and pressure deep within the earth changing a rock that already existed
- 12. The semifluid layer of the mantle where convection currents happen
- 15. formed at plate boundaries usually when plates collide
- 18. Extinction events that occur over a longer period of time
- 19. Sudden events that led to mass extinction
- 20. deep,elongated depressions in the ocean often associated with subduction zones
Down
- 1. tectonic plates move toward each other, usually forms mountains and volcanoes
- 2. where tectonic plates slide past each other causes earthquakes
- 3. Hot material rises, cool materials sink It drives plate tectonics
- 4. Rock formed when lava or magma cools or hardens
- 5. Tectonic plates move away from each other usually forms new crust and rift valley's
- 9. New oceanic crust is formed a tectonic plates pull apart and magma rises
- 11. Large Rigid pieces of the earth's lithosphere that move and interact with each other along plate boundaries
- 13. Forms after weathering and erosion when sediments compact and cement
- 14. A group of the same species living in the same area
- 16. fractures or zones of weakness in the earth's crust
- 17. an opening in the earth's crust through which molten rock is pushed out and creates new rock