Across
- 4. list order of events, not exact ages
- 6. Shark and fish fossils have been found in many desert areas WHICH MEANS desert areas were once covered with?
- 7. rock type formed when sand, gravel, mud and other sediments are compacted and cemented
- 9. Fossilized imprint/impressions from decomposed organism after being rapidly buried
- 10. Fossils of an organism's whole/entire body
- 11. Fossils that are formed when a mold is filled in
- 12. physical evidence of prehistoric animals and plants
Down
- 1. the name of the scientist who studies fossils and ancient remains
- 2. actual age of events in years
- 3. the oldest layer of rock is at the bottom. As you move towards the top, the layers get younger.
- 5. A fossil that can be used to provide information about the age of rock layers
- 8. intrusions and faults are _______ than the rock layers they cut through
- 10. a fossil showing the activity of a living organism such as footprints