Electricity

The form of energy that can produce light, heat, motion, and magnetic force.

• electricity
• water
• grass

Why electrical wiring usually are covered with a layer of plastic?

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

Used to open and close an electric circuit

• resistor (device)
• switch
• source

Electrical lights will not come on unless their electrical circuit is a --

• parallel circuit

• series circuit

• closed circuit

• short circuit

What components are in this schematic diagram?

• battery, switch, bulb, wire

• switch, switch, bulb

• battery, switch, bulb, motor

Why is a battery important in an electrical circuit?

• As a source of energy.

• As a path for electricity to flow through.

• As a connector to connect all parts of a circuit.