Electricity and Microscopic Physics

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Across
  1. 1. Very dense region consisting of protons and neutrons at the center of an atom
  2. 4. Basic unit of matter consisting of a nucleus within a cloud of one or more electrons
  3. 5. Generator which converts mechanical energy to electrical energy in the form of alternating current
  4. 7. The opposition to the passage of an electric current through the wire
  5. 9. Device for changing the voltage of an alternating current
  6. 13. Specific region around the atom's nucleus with the probability of finding any electron
  7. 14. Long, thin and flexible piece of metal
  8. 15. Subatomic particle with a positive electric charge
  9. 16. Device that converts light energy into electrical energy
  10. 22. Electrically neutral, weakly interacting elementary subatomic particle with half-integer spin
  11. 23. Machine that makes electrical energy
  12. 24. Basic property of electrons, protons and other subatomic particles, positive or negative
Down
  1. 1. Subatomic particle with no net electric charge
  2. 2. Force that makes electricity move through a wire
  3. 3. Unseen area around magnet
  4. 6. Instrument used to see objects that are too small for the naked eye
  5. 8. One of the two ends of a magnet
  6. 10. Electrically neutral group of two or more atoms held together
  7. 11. Material or object that produces a magnetic field
  8. 12. Elementary particle and a fundamental constituent of matter
  9. 17. Material composed of particles have opposite charge
  10. 18. Subatomic particle with a negative elementary electric charge
  11. 19. Unit of electrical charge
  12. 20. Unit used for measuring electric current
  13. 21. Device, in which a chemical change is harnessed to produce electricity