Across
- 5. surrounded by water
- 7. a crystal found on the earth
- 8. underground
- 10. a piece of land
Down
- 1. flat mound of earth
- 2. the science of planet earth / regions
- 3. out of this world
- 4. baked earth
- 6. a person who studies climates and natural resources
- 9. the studies of rocks and planet crust