Across
- 4. A scientist who studies earthquakes
- 5. A seismic wave that can travel through the interior of the earth
- 6. An instrument that records the motions of the Earth especially earthquakes
- 8. An earthquake that comes after a larger one
- 9. Magma that flows out onto Earths surface from a volcano
- 10. move more slowly than P waves but in an earthquake they are usually bigger
- 13. A shaking or movement of Earths surface
- 16. A super continent existing 200 million years ago
- 17. The theory of pangea and the landmass coming apart
- 18. The innermost densest layer of Earth
Down
- 1. The fastest body waves that arive befor S waves
- 2. The ability to cause change
- 3. A point within earth that originates the first movement of an earthquake
- 4. A site at which one or more seismographs are set up and routinely monitored
- 7. The layer of the Earth between the crust and the core
- 9. The process in which a solid takes on the characteristics of a thick heavy liquid
- 11. The ability to cause change
- 12. The transfer of heat energy through liquids and gases, fluids, by moving particals
- 14. the point on the Earths surface that is the center of the earth quake
- 15. A break in rock along where slabs are moved
- 17. Earths outer layer