Across
- 4. where crust is destroyed as one plate dives under another.
- 7. the innermost layer of the Earth
- 9. A type of plate boundarie were two tectonic plates slide past each other horizontily
- 11. A layer within the Earth within the bettwen the crust and core
- 13. A process that involves the movement from one place to another that is coused by difrences in tempriture and density between a liquid or a
- 14. Makes up the seafloor of the Earth
- 16. The process by which a unstable atomic nucleus loses energy by radiation
- 17. The third layer of Earth's atmosphere.
- 18. Produces the magnetic field around the earth
Down
- 1. the coolest and most rigid part of Earth
- 2. A linier feature that exists between two tectonic plates that are moving away from each other
- 3. The upper layer of Earth's mantel,below the lithosphere
- 5. ontinentalcrust is thickened by the compressive forces related to subduction or continental collision
- 6. Amitted during the decay of naturally acurrign RadioNucleids in the earth
- 8. An elastic wave produced an earthqueke or other means
- 10. A massive, irregular shaped slabs of solid rock within the earth
- 12. The first stage is an isotope during radioactive decay
- 15. A rock or other matter that has landed on Earth
- 16. A technique used to determine the age of materials, such as rocks or fossils.
