Milady Chapter 13 Basics of Electricity

The movement of electrons from one atom to another along a conductor is called

• An electric charge

• Electricity

• Energy Flow

• Sparks

Electric wires can be covered with a material that does not transmit electricity such as a rubber or plastic coating. This material is known as

• An insulator

• A conductor

• A circuit

• A fuse

An apparatus that changes direct current to alternating current is

• A rectifier

• A circuit breaker

• An inverter

• A fuse box

For safety, use no more than _______plugs(s) in each outlet

• One

• Two

• Three

• Four

Grounding completes ______and carries the current safely away.

• An electric charge

• An electric circuit

• An electric flow

• a microcurrent

Why are metals useful for making electrical wire?

• Metals do not bend.
• Metals hold much heat.
• Metals are insulators.
• Metals are conductors.

What is a example of a conductor?

• wood 
• metal
• rubber
• rock

Rubber is a insulator.

• true
• false

What is resistance measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

Electrical flow that constantly changes direction:

• direct current
• series circuit
• parallel circuit
• alternating current