Across
- 1. The type of boundary where earthquakes most commonly form
- 3. A device used to measure seismic waves
- 6. First of the compositional layers of the earth
- 8. The innermost layer of the earth
- 9. This only forms at convergent and divergent boundaries
- 11. The mechanical layer containing the crust and upper mantle
- 12. The law that states that fossils in lower layers are older than fossils in higher layers
- 14. This boundary occurs when two plates are being pulled apart
- 15. Melted rock
Down
- 2. The process of new seafloor being created
- 4. Where new seafloor is created
- 5. The feature only formed at a convergent boundary
- 7. Common fossils found in many areas over a short period of time
- 10. When an entire species dies out
- 13. Rocks formed from compacted sediment where fossils are found commonly