Across
- 4. study of stars
- 5. an account of someone's life written by someone else
- 7. an account of someone's life written by themselves
- 9. measuring water
- 10. expert at geology
- 12. recording the earth
- 15. study of life
- 16. someone who studies water
Down
- 1. expert of living organisms
- 2. medicine
- 3. someone who goes to space
- 6. study of water
- 8. someone who studies stars
- 11. study of Earth
- 13. a plane that can go on water
- 14. math shapes