Across
- 5. A rigid layer made up of the uppermost part of the mantle and the crust.
- 8. A sudden tremor of Earth's surface caused by movement of the crust and mantle, usually along a fault line.
- 10. A row of connected mountains.
- 11. A map that shows the surface features of an area.
- 13. A parallel pattern of rock material found at identical locations on each side of the Mid-Atlantic Ridge reveals rock of the same geologic age and polarity.
- 14. A plate boundary where two plates move past each other in opposite directions.
- 15. Volcanoes that rise above the surface of the water and create land with their magma. Some of these include Iceland and Hawaii.
- 17. a convergent boundary where an oceanic plate is plunging beneath another, overriding plate.
- 18. tectonic plates that are colliding.
- 19. An undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
- 20. A plate boundary where two plates move away from each other.
Down
- 1. Idea that the lithosphere is made up of moving tectonic plates.
- 2. features that are caused by erosion.
- 3. land features on the surface, as well as those not as visible.
- 4. image taken by a man made satellite used to identify land and erosional features.
- 6. The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations.
- 7. Chemical or physical process that breaks down rocks into smaller pieces
- 9. Material that makes up landmasses.
- 12. fossils of same animals found great distances apart.
- 16. earths crust located under the ocean.
