Across
- 2. Liquid layer of the Earth's core
- 4. Layer between the crust and the core
- 7. New lithosphere is created here
- 9. The upper layer of the earth's mantle, below the lithosphere
- 11. The rigid outer part of the earth
- 12. Pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere
- 13. A record produced by a seismograph
- 14. Boundary between two plates that are sliding past each other
- 15. Supercontinent that existed approximately 335 million years ago
- 18. Boundary between two plates moving away from each other
Down
- 1. A mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust
- 3. Boundary between two colliding plates
- 5. An instrument that measures and records details of earthquakes, such as force and duration
- 6. Outermost layer of the Earth
- 8. Solid, dense center of the Earth
- 10. A sudden and violent shaking of the ground, sometimes causing great destruction
- 16. The bending of rock layers
- 17. A break in the Earth's crust