Electrical Systems Spelling

Copper is commonly used to make ___________.

Bulbs, wires and batteries form an _________ ___________.

When a switch is closed, and electricity is able to pass through, the circuit is called a _____________ ______________.

In a closed circuit, _________________ can pass through the circuit.

When a switch is open, the circuit is called an _________ ______________.

What is this?

A battery has two terminals, a __________________ terminal and a negative terminal.

A battery has two terminals, a positive terminal and a ____________ terminal.

A battery is the ___________ _____________ in an electrical circuit.

We use symbols to represent a _______________ ______________.