Dynamic Earth

4. The peninsula where the Chicxulub crater was found
7. Sedimentary rocks need this substance to form and to be weathered. We drink it!
9. This type of sedimentary rock is made out of the remains of dead organisms
13. The process of breaking rocks down into smaller parts
15. Evidence of an asteroid impact; found in asteroids and in the KT-Boundary
16. Colonies of photosynthesizing bacteria that look like boulders

1. Evidence of oxygen-producing microbes in early Earth, Formations in Karinjini National Park, Australia
2. This type of chemical sedimentary rock forms when water evaporates, leaving behind crystals (Example: Halite or table salt)
3. The process of determining an approximate age of rock based upon the surrounding layers of rock
5. There are no dinosaurs found above this layer of rock
6. This feature forms when groundwater dissolves or reacts with rock beneath the surface
8. This type of sedimentary rock forms when sediments undergo compaction and cementation
10. Evidence of a mass extinction; Microscopic marine organisms
11. Layers of rock
12. Pieces of rock that have been weathered
14. The process of moving sediment by wind and water