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