Restless Earth Vocabulary

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