Across
- 1. the study of plants
- 3. the study of diseases
- 5. the study of historical objects
- 7. the study of the Earth's atmosphere
- 9. the study of the relationships between living organisms
- 10. the study of the ocean
- 13. the study of fish
- 14. the study of sound
- 15. the study of animals
Down
- 2. the study of the sun, moon, stars, and planets
- 4. the study of fossils
- 6. the study of the Earth
- 8. the study of matter and energy, and the connection between them
- 11. the study of life on Earth
- 12. the study of matter and the changes that with that matter
- 14. the study of soil