Across
- 2. Earth's outer rigid layer that does not flow
- 3. Decompostion of a chemical compund by reaction with water
- 6. The lay of the land
- 8. My Crossword Puzzle
- 11. Tool used to detect and measure ground motion during an earthquake
- 13. Continental nucleus, craton
- 17. The most inner part of the mantle, made of solid iron
- 19. Mountain building
- 20. inorganic compound having a crystalline structure that has a specific chemical formula
Down
- 1. The full scope, or timeline of Earth's history
- 4. Curved, or inclined surfaces that form boundaries of landforms
- 5. Responsible for Earth's magnetism, made up of metallic iron
- 7. theory that the Earth is divided into a number of plates on the Earth's mantle
- 9. Process that breaks down rock into particles that dissolve into water
- 10. The scientific study of horizontally arranged rock layers
- 12. Sharp release of energy occurs at the moment of fault fracture
- 14. boundry Boundary where two plates are moving away from each other
- 15. structure in Earth's crust from which magma rises, which will eventually end in erruption
- 16. eruptions Outpourings of low-viscosity magma, large in volume
- 18. The principle that is the balance between buoyancy and gravitational forces
- 20. molten rock beneath Earth's surface