Alastair's Physics Crossword

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Across
  1. 4. Force over Area
  2. 6. Sound Navigation And Ranging
  3. 7. A repeated motion around one point
  4. 10. ='p'
  5. 12. Element that is around 13600 kg/m3
Down
  1. 1. Quality
  2. 2. Above 20000 Hz
  3. 3. A place of High pressure in a longitudinal wave
  4. 5. Stationary
  5. 8. Used to meeasure clectric current
  6. 9. 'without fluid'
  7. 11. A giant conductor