Earth Systems

4. the size or extent of an earthquake
6. shaking of the ground caused by a seismic wave
8. a wave or series of waves caused by displaced water
10. rock that forms when igneous or sedimentary rock is placed under tremendous heat or pressure
14. an opening in Earth’s crust through which lava erupts onto the surface
15. the process of breaking rock into smaller pieces
17. rock made of sediment compacted together
18. in geology, a large fragment of Earth’s crust and upper mantle
19. a scientist who studies what Earth is made of and how it changes over time

1. a form of mass movement in which a large section of a slope slides downhill all at once
2. molten material from Earth’s mantle below Earth’s surface
3. downhill movement of a mass of earth surface material
5. rock made of magma or lava that has cooled and hardened
7. a hole in Earth’s surface that develops when the ground collapses into space beneath it
9. movement of sediment from one location to another
11. molten material from Earth’s mantle after it has reached Earth’s surface
12. the remains of an organism preserved in rock form
13. small pieces of rock or other hard material that has broken down over time
16. in geology, a plume of magma that causes eruptions through Earth’s crust without plates interacting