ELECTRICITY

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Across
  1. 3. a unit of electrical charge
  2. 4. amp
  3. 5. copper and aluminum
  4. 7. to dive back
  5. 10. opposition
  6. 13. non-conductive; glass and plastic
  7. 15. number of electrons are equal to number of atoms
  8. 16. electric potential
Down
  1. 1. resists movement
  2. 2. fastening an equipment
  3. 5. transfer of electricity
  4. 6. cation
  5. 8. force
  6. 9. to draw attention
  7. 11. electromotive force produced by a change in current flow in a closed circuit
  8. 12. accumulation of electricity
  9. 14. anion