Electricity

____________________________ is a continuous flow of electric charges (electrons).

• Current

• Voltage

• Resistance

The SI unit for electric current is the __________________________________

• Ampere (Amp)

• Volt

• Ohm

A difference in electric potential energy is called _________________________

• Current

• Voltage

• Resistance

The SI unit for voltage is the ________________________

• Ampere (Amp)

• Volt

• Ohm

In physics, ___________________________ is opposition to the flow of electric charges in an electric current as it travels through matter.

• Current

• Voltage

• Resistance

The SI unit for resistance is the _______________________________.

• Ampere (Amp)

• Volt

• Ohm

Materials that conduct electricity very easily are called

• conductors

• insulators

• extenders

Materials that resist the flow of electric current are called

• conductors

• insulators

• extenders

Examples of conductors include: copper, silver, gold, iron and steel.

• True

• False

Examples of insulators include: cotton, rubber, paper, and glass.

• True

• False

Tags

NGSS.MS-PS3-3