Across
- 2. Boundary where two tectonic plates pass laterally by one another
- 3. region of the upper atmosphere
- 8. Dating Radiometric dating calculates an age in years
- 9. the upper layer of the earth's mantle
- 10. Isotope The original unstable isotope
- 11. Core about 1300 miles (2092 km) thick
- 13. Waves vibrations in the earth
- 16. Core a hot, dense ball of (mostly) iron
- 18. the rigid outer part of the earth
- 20. Crust the outermost layer of Earth's lithosphere
Down
- 1. current heat-driven cycles
- 4. Decay the emission of energy
- 5. geoneutrino is a neutrino or antineutrino emitted
- 6. The mantle is the mostly solid bulk of Earth's interior
- 7. a chunk of rock or iron
- 12. Plates thicker continental lithosphere
- 14. Boundary when two tectonic plates move away from each other
- 15. Isotope the more stable form
- 17. Boundary When two plates come together
- 19. Crust the denser crustal layer of Earth