Across
- 1. the uppermost and thinest layer of the earth
- 4. the middle part which makes most volum of earth
- 7. an idea supported by evidences
- 9. the person who study geology
- 11. the terrestrial planet of rock
- 13. the not visible air around us
- 14. an idea not supported by many evidences
- 15. swirling cloud of matter
- 16. the sphere including all kinds of life
- 17. the study of rock
- 18. located at the center of the earth
Down
- 2. the study of vibration when earthquake happen
- 3. the sphere contain all kinds of water bodies
- 5. the amount of solar energy refected by the earth
- 6. the brittle outer layers of the earth
- 8. the lower the layer,the older the rock
- 10. a new element as original give off particles
- 12. the study of earthquake
- 15. the oval shape