Across
- 3. The place where rocks are found.
- 4. A record of the geologic events and life forms on the history of earth Events and life on Earth's history
- 5. Scientists who study rocks
- 9. To put things in a certain order
- 10. an aggogate of one or more minerals
- 11. Events that have occurred in the past
Down
- 1. A gap in the Fossil record that shows where rock layers have been lost due to to erosion
- 2. One of the three bog units of geologic time of geologic time
- 6. Anything that occurs that can change a rock
- 7. One of the units of geologic time in which geologist divide eras
- 8. To improve something
