Across
- 2. a layer of earth where plants grow with organic parts
- 5. waves produced by earthquakes
- 7. the theory that continents moved
- 9. when 2 tectonic plates move away from each other
- 11. a narrow ditch
- 12. waves that runs along earths surface
- 16. a big wave caused by an earthquake
- 17. a steep hill that rises from the surrounding land
- 18. giant pieces in the crust that sometimes move around
- 22. and secondary seismic wave
- 26. when tectonic plates run into eachother
- 29. a seismic wave that moves ground back and forth
- 30. the organic stuff in the soil
- 31. Boundaries when tectonic plates go past eachother
- 32. fertile soil
Down
- 1. a liquid current where heat rises and cold sinks
- 3. a crack in the landscape that displaces stuff
- 4. a seismically and volcanically active place surrounding the pacific ocean
- 6. crust forming under the ocean
- 8. something that is pressed into getting smaller
- 10. when an ocean plate goes beneath a continental plate
- 12. to break off because of strain
- 13. the innermost layer made of solid iron and nickel
- 14. the rigid layer of the crust and upper mantle
- 15. what it was called when all of Earth's continents were together
- 19. the layer below the lithosphere that has plastic constistancy
- 20. the layer on earth between the core and crust made of hot rocks
- 21. an area in-between mountains that has a lower elevation
- 23. a mountain that has a hole in it with magma
- 24. the layer made of liquid iron and nickel
- 25. the surface layer on earth made of solid rock
- 26. soil with fine particles of humus and silt
- 27. being stretched out
- 28. when the ground shakes because of crust movements