Restless Earth vocab

2. Includes the crust and upper part of the mantle, and is divided into tectonic plates
5. Formed as a result of high temperature and pressure deep within earth changing a rock that already existed
7. An opening in the Earth´s crust through which molten rock is pushed out and creates new rock
8. Rock formed when lava or magma cools and hardens
12. Large, rigid pieces of the Earth´s lithosphere
14. A group of the same species living in the same area
16. Formed at pate boundaries usually when plates collide
18. Forms after weathering and erosion when sediments compact and cement
19. Fractures or zones of weakness in the Earth´s crust
21. Tectonic plates move away from each other, usually forming new crust and rift valleys

1. Located between the mantle and the outer core
3. Extinction events that occur over a longer time period
4. Tectonic plates move toward each other, usually forming mountains
6. Hot material rises, cooler materials sink.
9. The semi-fluid layer of the mantle where convection currents happen
10. Where tectonic plates slide past each other. Causes earthquakes
11. New oceanic crust is formed as tectonic plates pull apart and magma rises
13. Name of ancient supercontinent when it was all one landmass
15. Instruments used to measure and record seismic waves
17. Deep, elongated depressions in the ocean, often associated with subduction zones
20. Sudden events that led to a mass extinction