Dynamic Earth By Ali

5. Layers of earth are called?
6. Layer of Earths atmosphere
7. A dense outer sphere of the innercore.
8. Currents in the mantel.
11. Two plates sliding past eachother.
13. Vibrations that travel through earth carrying energy during an earthquake.
16. The layer that mammals and reptiles walk on.
17. A platform that moves under crust and shapes the continents.
18. who had an idea of continental drift.
21. An undersea mountain chain where new ocean floor is produced a divergent plate boundary under the ocean.
22. A dense sphere of solid iron and nickel at the center of earth is called the ________.

1. Two plates drifting apart.
2. Denser than continental crust.
3. Less dense than oceanic crust.
4. An undersea valley that represents one of the deepest parts of the ocean
9. Two plates converging making a volcano or mountain.
10. All continents combined.
12. What oceanic crust is made of.
14. The shaking of a rock that causes the movement of the surface.
15. Melted magma.
16. Alfred wegners idea for continents drifting.
19. The process by which oceanic crust sinks beneath a deep ocean trench into the mantel at a convergent plate boundry.
20. Earths extemely hot thick layer.