Restless Earth Voca

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Across
  1. 2. forms after weathering and erosion when sediments compact and cement
  2. 4. extintion events that occur over a longer time period
  3. 6. a group of the same species living in the same area
  4. 8. includes the crust and upper part of the mantle, and is divided into tectonic plates
  5. 10. plates large, rigid pieces of the earth lithosphere that moves interact with each other along plate boundaries
  6. 11. the semi-fluid layer of the mantle where convection currents happens
  7. 12. located between the mantle and the outer core
Down
  1. 1. sudden events that led to mass extinction
  2. 3. instrument used to measured and record seismic waves
  3. 5. rock formed when lava or magma cools and hardens
  4. 7. formed as a result of high temperature and pressure deep within earth changing a rock that already existed
  5. 9. hot material rises,cooler material sinks. its drives plates tectonics