unit 1 assignment

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