Across
- 5. a large area of land that is believed to exist long ago and consists of the lands of the southern hemisphere and India.
- 6. boundaries- the location where 2 plates meet.
- 10. between the crust and the core.
- 12. molten rock material within the Earth.
- 15. drift- a slow movement of the continents on a deep-seated viscous core within the Earth.
- 17. the action of the weather conditions altering the color, texture, composition, or form of expused objects.
- 20. core- the inner most part of the Earth is the core.
- 21. currents- a stream of fluid propelled by thermal convection.
- 22. when two blocks of the Earth slip past eachothe
- 24. a hard surface layer around the Earth.
Down
- 1. features on Earth's surface that make up terrain.
- 2. ridge- a sea-floor mountain system formed by plate tectonics.
- 3. molten rock that is issued by issues from a volcano.
- 4. something of explosively violent pot ential.
- 7. volcanos that have not erupted in a long time but are expected to erupt in the future.
- 8. a supercontinent that incorporated almost all the landmasses on Earth.
- 9. flow- chaotic mixture of rock fragments, gas, and ash.
- 11. a hypothetical landmass in the northern hemisphere near the end of the Paleozoic era.
- 13. core- the liquid layer of the Earths core, located between the inner core and mantle.
- 14. Wegener- German geologist who proposed the theory of continental drift.
- 15. one of the 6 or 7 great divisions of land.
- 16. tectonics- the process of tectonic plate movements
- 18. a moving fluid mass composed of volcanic debris and water.
- 19. the action or process of eroding.
- 23. Andreas fault- to transform boundaries between 2 major plates of the Earths crust.
