Across
- 3. deep, elongated depressions in the ocean, often associated with subduction zones
- 5. located between the mantle and the outer core
- 7. forms after weathering and erosion when sediments compact and cement
- 9. includes the crust and upper part of the mantle, and is divided into tectonic plates
- 10. fractures or zones of weakness in the earth's crust
- 11. instruments used to measure and record seismic waves
- 12. a group of the same species living in the same area
- 13. hot material rises, cooler materials sink. It drives plate tectonics
Down
- 1. name of the ancient super continent when it was all one landmass.
- 2. large, rigid pieces of the earth's lithosphere that move and interact with each other along plate boundaries
- 4. new oceanic crust is formed as tectonic plates pull apart and magma rises
- 6. rock formed when lava or magma cools and hardens.
- 8. formed as a result of high temperature and pressure deep within earth changing a rock that had already existed