2. Electrical circuit- circuit diagrams

Electric circuit

A path that allows electricity to flow

Battery

Provides energy to the circuit

Bulb

Lights up when electricity flows through it

Wire

Connects all the components in a circuit

Switch

Controls whether the circuit is on or off

Circuit diagram

A drawing that uses symbols to show how a circuit is built

Open circuit

A circuit where electricity cannot flow because the path is broken

Closed circuit

A circuit where electricity can flow freely

Component

A part of an electric circuit

Electron

Tiny particle that moves in an electric circuit

Energy

Power that makes things work in a circuit

Symbol

A simple picture that represents a part in a circuit diagram

Current

The flow of electricity through a circuit

Conductor

A material that lets electricity flow through it easily

Insulator

A material that does not let electricity flow through it easily