Across
- 4. A scientist that studies fossil remains found on the Earth’s surface.
- 6. A scientist who studies the Earth’s crust as well as the processes and history that shaped it.
- 7. Cenozoic is known as the age of __________
- 8. Any evidence of an animal or plant that lived long ago.
- 10. How many cells did organisms have in the Pre-cambrian Era.
- 11. The layers of Earth from oldest to youngest.
Down
- 1. Fossils that give clues to earth's geological history.
- 2. Known as the age of dinosaurs
- 3. All of Earth’s geological history represented on a chronological time chart.
- 4. Longest time span
- 5. The study of layers of rock.
- 9. The current Era