Chain Crosswords Medium Chain Science Easy — Set 8

Easy 11×11 Set 8
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5
Across
  1. 1. Amount of matter in an object
  2. 2. Substance with pH below seven
  3. 4. Smallest unit of an element
  4. 5. Change from solid to liquid
Down
  1. 1. A word related to science
  2. 3. Unit of electrical power