Electricity.

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Across
  1. 2. these sub-atomic particles are in the nucleus and cannot move.
  2. 4. a flow of electrons.
  3. 6. a circuit where all the components are in line with one another.
  4. 8. a measurement of power in a circuit. measured with a voltameter.
Down
  1. 1. a device that measures the current of a circuit.
  2. 2. a circuit where the you can turn each component on or off independantly.
  3. 3. this happens because ions clash, it slows down current and especially happens before a lightbulb.
  4. 5. a group of cells
  5. 7. does the amp change if the ammeter is moved to a different place in the circuit.