Electricity and Magnetism

What are huge wheels that rotate when pushed by water, wind, or steam?

• magnet wheels
• turbines
• batteries
• generators 

What device changes mechanical kinetic energy into electrical energy?

• electric motor

• insulator

• electromagnet

• generator

What is the region of force around a magnet known as?

• magnetic field
• magnetic pole
• magnetic domain 
• lodestone

A continuous flow of electricity is called_____________

• series
• circuit
• static
• current

How are fossil fuels used to generate electrical energy?

• Heat from burning fuel creates steam that spins a turbine.

• Heat from burning fuel spins magnets inside an electric motor.

• Heat from burning fuel causes an electric motor to produce a current.

• Heat from burning fuel creates steam that turns a transformer.

Generators are devices that convert _____ energy into _____ energy.

• chemical; mechanical
• mechanical; electrical
• electrical; mechanical
• potential; kinetic

A device that protects a circuit by from having too much current is called a

• switch

• short

• fuse or breaker

• resistor

Voltage is

• the potential electrical energy or push that makes electrons flow

• causes a short circuit with electrical energy

• is the term used for rate of charge flow

• Wastes energy by allowing current to flow

3. The two types of current are...

• Alternating Current

• Direct Current

• Floating current

• Fluctuating current

The electricity in our house is

• AC

• AD

• BC

• DC