Restless Earth Vocabulary List

4. Formed t plate boundaries usually when plates collide
6. New oceanic crust is formed as tectonic plates pull apart and magma rises
9. Includes the crust and upper part of the mantle, and is divided into tectonic plates
12. Located between the mantle and the outer core
13. Rock formed lava or magma cools and hardens
15. Formed as a result of high temperature and pressure deep within earth changing a rock that already existed
17. Tectonic plates move away from each other, usually forms new crust and rift valleys
18. An opening in the Earth's crust through which molten rock is pushed out and creates new rock
20. Deep, elongated depressions in the ocean, often associated with subduction zones
21. Name of the ancient supercontinent when it was all one landmass

1. Where tectonic plates SLIDE past each other. Causes earthquakes
2. A group of the same species living in the same area
3. Fractures or zones of weakness in the Earth's crust
5. Tectonic plates move toward each other, usually forms mountains and volcanoes
7. Extinction events that occur over a longer time period
8. The semi-fluid layer of the mantle where convection currents happen
10. Hot material rises, cooler materials sink. It drives plate tectonics
11. Forms after weathering and erosion when sediments compact and cement
14. Plates Large, rigid pieces of earth's lithosphere that move and interact with each other along plate boundaries
16. sudden events that led to a mass extinction
19. Instruments used to measure and record seismic waves