Chain Crosswords Short Science Medium — Set 7

Medium 13×13 Set 7
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7
Across
  1. 3. Substance that flows freely
  2. 4. Relating to sight or light
  3. 6. Relating to the poles or charges
  4. 7. Protective gas layer in atmosphere
Down
  1. 1. A word related to science
  2. 2. Mixture of two or more metals
  3. 4. Part of body with a function
  4. 5. A word related to science