Across
- 4. the study of fish
- 6. the study of nerves
- 8. the study of the moon, stars and objects in space
- 12. the study of all types of animals
- 13. the study of earthquakes and seismic waves
- 14. the study of living things
Down
- 1. the study of volcanoes
- 2. the study of mammals
- 3. the study of water on Earth
- 5. the study of reptiles and amphibians
- 7. a person who studies the different climates
- 8. the study of ticks, mites and spiders
- 9. the study of life in the ocean
- 10. the study of bacteria
- 11. the study of plants and everything about them
