Bulbs, wires and batteries form an _________ ___________.

(a)  

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

(a)  

In a closed circuit, (a)   can pass through the circuit.

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

(a)  

What is this?

(a)  

A battery has two terminals, a (a)   terminal and a negative terminal.

A battery has two terminals, a positive terminal and a (a)   terminal.

A battery is the ___________ _____________ in an electrical circuit.

(a)  

We use symbols to represent a _______________ ______________.

(a)  

Copper, iron, steel, zinc and graphite are (a)   of electricity.

Plastic, wood, fabric and paper are _____ __________________ of electricity.

(a)  

The part of the light bulb that lights up is called the _________ ______________________.

(a)  

BONUS: The wire must be connected to the metal casing and metal (a)   of the lightbulb.

BONUS: The wire must be connected to the metal (a)   and metal tip of the lightbulb.