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