Across
- 4. The study of the shock waves of the earth
- 6. The study of the structure of living things
- 7. The study of medicine using rays
- 10. The study of the objects in space and their relationships
- 12. The study of healing
- 13. The study of plants
- 15. The study of minerals
- 16. The study of how man and nature interact
- 18. The study of animals
- 20. The study of traits or genes that make us what we are
- 21. The study of the nervous system
Down
- 1. The study of the mind
- 2. The study of the structure, composition, and history of the earth and how changes
- 3. The study of bugs
- 5. The study of ancient life forms, such as dinosaurs
- 8. The study of the oceans
- 9. The study of how the universe operates
- 11. The study of the atmosphere and the weather.
- 14. The study of remains
- 17. The study of the composition & properties of matter and how different substances react
- 19. The study of life
