Across
- 2. formed when these impressions are filled with other types of sediment that form rocks, which take the place of the animal or plant.
- 5. the size of the earthquake.
- 7. gigantic pieces of the Earth's crust and uppermost mantle
- 8. a type of fault in which two tectonic plates slide past one another
- 9. an opening in the Earth's crust through which lava, ash, and gases erupt.
- 12. an instrument that measures and records details of earthquakes, such as force and duration.
- 13. the edges where two plates meet.
- 14. occurs when the organic matter is completely replaced by minerals and the fossil is turned to stone
- 16. one of the six or seven great divisions of land on the globe
- 17. a series of large waves of extremely long wavelength and period usually generated by a violent, impulsive undersea disturbance or activity near the coast or in the ocean.
Down
- 1. ancient supercontinent that included almost all of the Earth's land area
- 2. the outermost shell of a terrestrial planet
- 3. a remnant, impression, or trace of an organism of past geologic ages that has been preserved in the earth's crust
- 4. The point on the Earth's surface directly above the focus or hypocenter of an earthquake
- 5. the imprint left by the shell on the rock that surrounded it
- 6. This occurs when plates move towards each other and collide
- 10. occurs when two tectonic plates move away from each other.
- 11. the very hot, very dense center of our planet.
- 12. when an oceanic plate runs into a continental plate and slides beneath it.
- 15. the place inside Earth's crust where an earthquake originates