Across
- 3. Cycle that includes melting, cooling, weathering, and pressure
- 5. Type of plate boundary where two plates move apart
- 8. Process of determining a rock’s age using radioactive isotopes
- 9. The movement of sediment by wind or water
- 10. Rock formed by cooling magma or lava
Down
- 1. Outer layer of the Earth broken into plates
- 2. Breakdown of rocks by wind, rain, or biological activity
- 4. Super-heated, flowing layer beneath the crust
- 6. Crushed rock and mineral extraction industry
- 7. Geologic time period known for dinosaurs