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