Chain Crosswords Long Science Medium — Set 2

Medium 13×13 Set 2
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2
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9
Across
  1. 5. A word related to science
  2. 6. A word related to science
  3. 7. Simple machine for lifting
  4. 8. Compound of oxygen and another element
  5. 9. Glass that splits light into colors
Down
  1. 1. Path around a celestial body
  2. 2. Molten rock beneath the surface
  3. 3. A word related to science
  4. 4. A word related to science