Materials that let electricity pass through them easily. ____ Materials that do not allow electricity to pass through them.____ It provides the electrical energy in an electrical circuit. ____ It conducts the current. ____ It transforms electrical energy into light, sound, movement, etc. ____ It turns a circuit on or off. ____ Wood, plastic, and glass are electrical___. ____ Most metals, such as copper, are good electrical ___. ____ It can be a cell or a battery. ____

Electrical Current

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