Chloe Foulkrod-Johnson

5. boundaries - The location where two plates meet.
6. - A large continuous mass of land conventionally regarded as a collective region.
8. core - A liquid layer of the Earth's core, located between the inner core and the mantle.
10. - Molten rocks that issues from a volcano or from a fissure in the surface of a planet(such as Earth)or moon.
11. - A super continent that incorporated almost all the landmasses on the Earth.
13. - The layer between the crust and the core.
15. - A hypothetical landmass in the Northern Hemisphere near the end of the Paleozoic Era.
17. - The Earth's outermost solid layer which forms the continents and continental shelf.
18. - Not active growing but has the ability to be active at a later time.
19. core - The soild,innermost layer of the planet, located at its center.
20. Wegener - Originator of the continental drift hypothesis.

1. currents - Heat-driven cycles that occur in the air,ocean,and mantle.
2. tectonics - A scientific theory that explains how major landforms are created as a result of Earth's subterranean movements.
3. - The breaking down or dissolving of rocks and minerals on the surface of Earth.
4. - Sudden shaking of the ground caused by the release of energy in the Earth's crust.
7. - Openings, or vents where lava,tephra (small rocks), and steam erupt onto the Earth's surface.
9. - A mixture of molten and semi-molten rock found beneath the surface of the Earth.
12. - A destruction, gravity - driven mud flow of volcanic ash, water, rock, and ice that orginate high on a volcano.
14. - The process by which the surface of the Earth is worn away by the action of water,glaciers,winds,waves,etc.
16. - Features on the Earth's surface that make up the terrain.