Across
- 2. Formed in the interior of Earth
- 3. When one tectonic plate slides under another
- 8. An orderly arrangement of atoms and molecules with a specific shape determined by its chemical composition
- 10. An opening in Earth’s crust where lava, cinders, ash, and gases come to the surface
- 12. A rock that has changed from another rock because of heat, pressure, or a chemical reaction
- 14. (2 words) A theory that says Earth’s outer layers are made of moving plates
- 18. (2 words) Transformation that changes one type of rock into another
- 19. A section of Earth’s lithosphere
- 21. The heat transfer in a fluid in which hot fluid rises and cold fluid sinks, setting up a cycle
- 23. Molten rock under the surface of Earth
- 25. The fluid portion of the mantle that has special properties
- 26. Formed on the exterior of Earth
Down
- 1. A fault where two plates slide past each other
- 4. A rock that forms when melted rock (magma or lava) hardens
- 5. Earth’s water, both in the seas and on land
- 6. The hard outer layer of Earth made of crust and hard, upper mantle; broken into tectonic plates
- 7. A sudden movement of plates within Earth’s crust
- 9. The layer of Earth below the crust; upper part is solid and lower part is semisolid
- 11. A scientist who studies earth
- 13. To come together
- 15. Molten rock on the surface of Earth
- 16. (2 words) Sections of the lithosphere that move on top of the fluid asthenosphere; composed of Earth’s crust and the hard top layer of the mantle
- 17. The rigid outer layer of earth
- 20. The air that surrounds earth
- 22. All the living things on earth
- 24. (2 words) The area along an edge of Earth’s plates