Crossword

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Across
  1. 3. Au is the symbol for
  2. 4. Something that changes
  3. 6. There is no power without this
  4. 8. Unit for power
  5. 9. Flow of charge
Down
  1. 1. Another name for storage
  2. 2. King of sciences
  3. 5. The main circuit board of computer
  4. 7. Unit of force
  5. 9. Converts chemical energy to electrical energy