Across
- 3. the state of gravitational equilibrium between Earth's crust and mantle
- 6. rocks formed from cooled magma or lava
- 7. the theory of underwater "plates" that move and drift apart to form continents
- 8. a change in size or shape from applied forces
- 9. a fracture between two rocks
- 10. where two pieces of land drift apart
- 11. the drifting of land
- 12. changing through the application of pressure
- 16. the scale used to identify minerals or rocks
- 17. the "life" cycle of rocks
- 18. stacked layers of rocks that are now curved
- 19. a solid, inorganic substance
- 22. a type of movement of rocks; when they slide past each other
- 23. a chain of islands, often caused by underwater volcanoes
- 24. a range of underwater mountains in the Atlantic Ocean
Down
- 1. the branch of geophysics concerned with the magnetism in rocks that was induced by the earth's magnetic field at the time of their formation
- 2. the force applied to rocks to make them change in size or shape
- 4. rocks deposited by water or air
- 5. where two pieces of land come together
- 9. a fracture between two pieces of rock
- 13. occurs at underwater divergent boundaries
- 14. rocks changed from their original form
- 15. the upper layer of the earth's mantle
- 20. the crust and upper mantle of the Earth
- 21. a mountain that contains lava
