Chain Crosswords Short Nature Medium — Set 7

Medium 13×13 Set 7
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7
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9
Across
  1. 2. Type of bond between ions
  2. 3. Glass that splits light into colors
  3. 6. A word related to science
  4. 8. Compound of oxygen and another element
  5. 9. A word related to science
Down
  1. 1. A word related to science
  2. 4. Plant life of a region
  3. 5. A word related to science
  4. 7. A word related to science