Across
- 2. time period where dinosaurs roamed around the earth .
- 6. The movement of rock particles and soil from one place to another.
- 7. Where dinosaurs were at their peak.
- 8. A method in which can date layers of rocks by relating them to other rocks.
- 9. A recent era of the three geologic eras.
Down
- 1. change makeup due to reactions with water, oxygen and more..
- 3. Based on the decay radioactive isotopes within minerals found in rocks.
- 4. States that in a series of sedimentary layers, the oldest layer is at the bottom, while the youngest is at the top.
- 5. Happens when eroded materials are dropped off in a new location.
- 10. Whitening of corals, when corals are stressed.