Across
- 3. Geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another
- 4. A depression in the seafloor produced by subduction
- 7. A fracture along whuch the blocks of crust on either side have moved relative to one another parallel to the fracture
- 9. The science that deal with the dynamics and physical history of the earth
- 10. When two tectonic plates move away from each other
- 12. The rigud outer part of the earth, consisting of the crust and upper mantle.
- 15. A massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic lithosphere
- 16. The planet on which we live
- 17. A record produced by a seismograph
- 20. wave A seismic body wave that shakes the ground back and forth
- 23. The pointed top of a mountain
- 24. Mountains are formed at
- 25. What form it will make if the plates collide
- 26. wave A type of elastic wave and one of the two main types of elastic body wave
- 27. A long narrow hilltop, mountain range, or watershed
- 28. When two plates sliding pass by each other forms
- 29. Lage expanse of sea
Down
- 1. The highly viscous, mechanically weak and ductile region of the upper mantle of earth
- 2. Traces of remains ancient organisms
- 5. The geographical area where a species can be found
- 6. Forming or belonging to a Continent
- 8. A rupture in the crust that spills hot lava
- 11. Shaking of the surface of the earth resulting from a sudden release of energy in the earth's lithosphere
- 13. mountain range in South Asia
- 14. A concentration of heat in the mantle capable of creating magma
- 18. Igneous rock composed mainly of plagioclase and pyroxene materials
- 19. Madre The main mountain system of Mexico
- 21. The branch of chemistry that studies metals
- 22. Instrument that measures and records detail of earthquake
- 30. Outermost solid shell of the earth
