Systems - Electrical systems

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Across
  1. 2. An electric _____ is path where electricity flows through.
  2. 4. ______ like copper and silver are conductors of electricity.
  3. 6. Materials like rubber and plastic are ______ of electricity
Down
  1. 1. Part of bulb, made of tungsten, that glows and gives off light and heat when electricity flows through.
  2. 3. A battery has two _____ (positive and negative)
  3. 5. The bulb is ____ when the filament melts and it will not light up again.