Across
- 8. The study of heat, radiation and other types of energy
- 9. The study of insects
- 10. The study of plants and animals on Earth
Down
- 1. The study of oceans
- 2. The study of reptiles and amphibians
- 3. The study of things in space and where they come from
- 4. The study of volcanos
- 5. The study of about birds
- 6. The study of weather
- 7. The study of prehistoric animals
