SCIENCE

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Across
  1. 3. Uncharged. the number of protons in an atom equals the number of electrons.
  2. 7. The measurement of electrical current
  3. 9. a complete closed through a conductor
  4. 12. An atom has more electrons than protons
  5. 14. a circuit with branched paths through which electricity passes.
  6. 15. A source of energy that is depleted by use such as gasoline for a car.
  7. 18. It stays in one place
  8. 19. The ability to do work
  9. 20. the using of a resource
Down
  1. 1. a source of energy that is not is not depleted by use such as water ect.
  2. 2. a flow of electricity create by a stream of moving electrons
  3. 4. an atom has more protons than electrons.
  4. 5. A negative charge equal to that of a proton that spins around the nucleus.
  5. 6. The unit measurement of electrical power
  6. 8. Energy is made of electricity charges through a conductor.
  7. 10. a positive charge in the nucleus equal to that of an electron that does not moves.
  8. 11. A circular path which electricty
  9. 13. The unit measurement of electrical pressure or force which causes electric current to flow
  10. 16. what objects are made of
  11. 17. the space around a magnet.