Across
- 2. tectonic plates move towards eachother
- 5. sudden events that lead to mass extinction
- 6. formed after weathering and erosion
- 7. large rigid pieces of the Earth's lithosphere
- 10. extinction events that occur over a long time
- 13. tectonic plates move away from eachother
- 14. includes the crust and upper part of the mantle and is divided into tectonic plates
- 15. formed as a result of high temperature and pressure
Down
- 1. located between mantle and outer core
- 3. A group of the same species in an area
- 4. hot materials rise cold materials sink it drives tectonic plates
- 8. tectonic plates slide past eachother
- 9. instrument used to measure seismic waves
- 11. The semifluid layer of the mantle
- 12. rock formed when lava cools/ hardens