Electric Charges and Current

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Across
  1. 3. (are plastic, rubber, glass)
  2. 6. (Like charges _____)
  3. 9. (Insulators – ___ the flow of electrons)
  4. 10. (Electrical Current is measured in ____)
  5. 12. (transferred by direct contact w/ another object – hair standing on end w/ Van de Graff machine)
  6. 16. (transferred from rubbing i.e. get shocked after walking on the carpet)
  7. 18. (___& Lightning - objects reaching static equilibrium)
  8. 19. (w/ ‘-’ charge freely moving around the nucleus in orbits)
  9. 20. (conductors Allow the ____ flow of electricity)
Down
  1. 1. (Latin word “Stasis” which means “____”)
  2. 2. (Voltage ____ (battery or generator) is required to maintain the electrical potential in a circuit.)
  3. 4. (Opposite charges ____)
  4. 5. (water (a polar molecule) vapor in the air pulls electrons off negatively charged objects, preventing static charges to build up)
  5. 7. (objects tend toward ____)
  6. 8. (w/ ‘+’ charge “stuck” in the nucleus)
  7. 11. (are metals like aluminum, gold, copper and silver)
  8. 13. (the force field of a highly negatively charged object pushes the electrons away from nearby objects causing them to become + charged)
  9. 14. (_____ Current - Flow of electrons through a material)
  10. 15. (Electrical resistance is measured in)
  11. 17. (causes current to flow through an electrical circuit)