Across
- 3. this is produced by cyanobacteria
- 6. abbreviation of the ship where the salt experiment to support Earth formation theory happened
- 7. rock that is evidence of continents 4.28 bya
- 11. one of the first photosynthetic organisms
- 13. all the life on Earth
- 14. type of dating technique to identify age of earth events
- 15. Mrs. Knipper's favorite dinosaur with the "frill" in Jurassic Park
- 16. a coral-like structures that are created by cyanobacteria
Down
- 1. Ms. Boesen's favorite dinosaur because part of it sounds like her name
- 2. all the rock and layers of Earth
- 4. word that comes after gravitational and describes how the dust particles came together
- 5. chemical substance that all life on Earth has
- 8. banded iron formations support that we had these 4.28bya
- 9. these are thought to have brought amino acids and water to Earth
- 10. formed after a collision of a planet sized object and Earth
- 12. the composition of this was changed by the emergence of cyanobacteria