Across
- 4. This is the only liquid layer of the Earth
- 7. This is name of the mega continent that existed 225 million years ago
- 8. This type of crust is heavier and more dense
- 9. This is the innermost layer; made of solid metal
- 10. This layer of the Earth is the thinnest layer and is where we currently are.
- 12. This is the theory that says the Earth's crust is broken into pieces that are moving
- 13. This is the upper part of the Mantle that cause of tectonic plates to move
Down
- 1. This is the bottom part of the crust that is broken into tectonic plates
- 2. This is the theory that says that all the continents used to be combined into a mega-continent and have since drifted apart
- 3. Alfred ______ was the German scientist who developed the Continental Drift Theory
- 5. Fossils, land warping, and continent shapes are all examples of _____ to support the Continental Drift theory
- 6. This is the second layer of the Earth
- 11. This type of crust is lighter and less dense