Chain Crosswords Long Nature Medium — Set 5

Medium 13×13 Set 5
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9
Across
  1. 3. Protective gas layer in atmosphere
  2. 4. A word related to science
  3. 5. Molten rock beneath the surface
  4. 8. Biological classification rank
  5. 9. Relating to the sun
Down
  1. 1. A word related to science
  2. 2. Fiber that transmits signals
  3. 3. Path around a celestial body
  4. 6. A word related to science
  5. 7. A word related to science