Across
- 3. The region between the Tigris and Euphrates rivers
- 6. A rigid layer that forms the uppermost portion of the mantle
- 8. A layer of hot, solid material that is between Earth's crust and core
- 9. Vibrations that carry energy that is released in an earthquake as they travel through Earth
Down
- 1. When you have more than you need
- 2. A period of time with not enough rain or snow to help grow crops
- 4. The soft layer of the mantle on which the lithosphere floats
- 5. The amount of force that pushes on an area
- 7. A very hot climate with very little rain fall
- 9. Very fertile soil