Across
- 2. 200 million years ago the continents formed...
- 4. An outer part of the earth that consists of the upper mantle.
- 6. An impression of an organism.
- 9. When one plate sinks under another.
- 11. A long narrow ditch like thing in the ground.
- 14. A giant slab of the Earth's Crust.
- 15. Any of the world's main continuous expanses of land
Down
- 1. A part of Earth between the crust and the core.
- 3. Something created by a plane cutting perpendicular to it
- 5. A feature on Earth's surface that is part of the terrain
- 7. A crack, break, or split in something.
- 8. A mountain or hill with a crate that holds magma and gases.
- 10. The core of Earth
- 12. A sudden movement of the ground.
- 13. The study of earth's physical structure and substance.