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Across
  1. 3. Bond formed by shared electrons
  2. 5. Rate at which work is done
  3. 7. Ability to store electric charge
  4. 11. Distance between wave peaks
  5. 12. Energy transfer by waves
  6. 14. Basic on the pH scale
  7. 15. Upthrust in a fluid
  8. 17. Semiconductor switching device
  9. 20. Allows current in one direction
  10. 23. Height of a wave
  11. 25. Mass per unit volume
  12. 26. Opposition in an AC circuit
  13. 27. Bending of waves around edges
  14. 28. Measured addition to find concentration
  15. 29. Reaction that absorbs heat
  16. 30. Material with zero electrical resistance
  17. 32. Intermediate electrical conductor
Down
  1. 1. Property opposing change in current
  2. 2. Heat transfer by fluid motion
  3. 4. Material’s opposition to current
  4. 6. Gain of electrons in a reaction
  5. 8. Acceleration of a chemical reaction
  6. 9. Emission of electrons by light
  7. 10. Mass times velocity
  8. 13. Loss of electrons in a reaction
  9. 16. Separation by boiling point
  10. 18. Band of colors or frequencies
  11. 19. Same protons, different neutrons
  12. 21. Number of cycles per second
  13. 22. Heat transfer through contact
  14. 24. Reaction that releases heat
  15. 26. Resistance to change in motion
  16. 31. Force over distance