Science crossword

123456789
Across
  1. 1. A light producing electrical component.
  2. 6. The route that the current takes.
  3. 7. The effort needed for electricity to go around a circuit.
  4. 9. The unit of electrical potential.
Down
  1. 2. Multiple cells.
  2. 3. The flow of electrons.
  3. 4. a strait line in a electrical diagram.
  4. 5. A sound producing electrical component.
  5. 8. Something that adds power to a circuit.