Science (level:brick)

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Across
  1. 3. A complete closed path through which electricity flows
  2. 6. A flow of electricity
  3. 7. what objects are made of
  4. 8. The unit measurement of electrical power
  5. 10. The using of a resource
  6. 12. the unit measurement of electrical pressure or force
  7. 14. Energy made of electrical charges through a conductor
  8. 17. The measurement of electrical current
  9. 18. The ability to do work
  10. 19. A negative charge equal to that of a proton
  11. 20. center of an atom
Down
  1. 1. A circuit with branched paths through which electricity passes
  2. 2. A circular path through which electricity passes
  3. 4. A positive charge in the nucleus. equal to that of an electron that doesn't move
  4. 5. Electricity that of isolated motionless charges (as those produced by friction)
  5. 9. A source of energy that is depleted by use
  6. 11. Uncharged
  7. 13. A source of energy that is not depleted by use
  8. 15. An atom has more electrons than protons
  9. 16. An atom has more protons than electrons