Electricity

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Across
  1. 5. a tiny negative particle that moves around in an atom.
  2. 6. the path down which charge flow.
  3. 7. a material that allows a current to pass.
  4. 9. having no charge.
  5. 10. a positive particle found in atoms.
  6. 12. the core of an atom; containing protons and neutrons.
  7. 14. a type of electricity that is a build-up of electric charge.
  8. 17. shows how all components in the circuit are connected.
  9. 18. a circuit with all its components arranged in a line.
  10. 20. an instrument that measures voltage.
Down
  1. 1. the current generated by electrons always moving in one direction.
  2. 2. the current generated by electrons changing the direction in which they move.
  3. 3. parts of a circuit.
  4. 4. neutral particles found in most atoms.
  5. 8. the unit used to measure resistance.
  6. 11. a measure of how difficult it is for current to pass.
  7. 13. a measure of the amount of energy provided to charges or used by them.
  8. 15. an instrument that measures current.
  9. 16. a material that blocks the electrical flow.
  10. 17. flow of a charge.
  11. 19. a circuit that has a number of branches.