Across
- 2. fossil used to determine age of rock layer
- 3. underwater mountain chain where new oceanic crust is formed
- 5. the theory that states the Earth is covered with rocky plates that move
- 9. fossils are most often preserved in this type of rock
- 10. the remains or physical evidence of an organism preserved by geological processes
- 11. plate boundary where plates move away from each other
Down
- 1. scientist that studies fossils
- 4. bending of rock layers due to stress
- 5. name for the single landmass that broke apart and drifted to the current positions of the continents
- 6. plate boundary where plates move towards each other
- 7. shells found on mountain tops used as proof the Earth's surface goes through extreme changes over time
- 8. hardened tree sap that insect fossils are found in