Chain Crosswords Short Nature Medium — Set 10

Medium 13×13 Set 10
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8
Across
  1. 2. Relating to the sun
  2. 3. Molten rock beneath the surface
  3. 7. Compound of oxygen and another element
  4. 8. Tiny reproductive unit of fungi
Down
  1. 1. Relating to the poles or charges
  2. 4. Mixture of two or more metals
  3. 5. A word related to science
  4. 6. A word related to science