Plate Tectonics
Across
- 1. The only liquid layer of the Earth
- 5. A hypothesis that states the continents once formed a single landmass
- 10. Properties that involve a reaction to an applied load
- 13. Strong, lower part of the mantle
- 16. The theory that explains how plate tectonics move and change shape
- 18. Tectonic plates move apart from each other
- 19. Tectonic plates collide together
- 20. The thin, solid, rigid outermost layer of the Earth
Down
- 2. Something's ingredients or constituents
- 3. Soft plastic-like layer of the mantle
- 4. Solid outer layer of the outermost part of the Earth
- 6. Innermost layer of the Earth
- 7. The sinking of the regions of the Earth's crust
- 8. The middle layer of the Earth
- 9. The process by which new oceanic lithosphere forms
- 11. Tectonic plates slide past each other
- 12. A piece of lithosphere that floats on the asthenosphere
- 14. Stress that occurs when the forces act to squeeze an object
- 15. A break in a body of rock
- 17. The center of the Earth