Across
- 2. rock with crystal on the inside
- 4. the study of regions of Earth
- 5. cotta hardish pottery
- 8. something from outer space
Down
- 1. the study of Earth's rocks
- 3. almost or completely surrounded by land
- 6. flat mound of dirt
- 7. somebody who studies regions of Earth
- 9. area of land controlled by certain country
- 10. under ground