Electricity Review 8th Grade

What is this device called? __________________

• Ammeter

• Voltmeter

• Thermometer

• Barometer

What does it measure? __________________ (Refer to the image of the ammeter labeled D and E)

• Current

• Voltage

• Resistance

• Power

What does mA stand for?

• Milliampere

• Megaampere

• Microampere

• Millisecond

What is the current for letter D? ______________ (Refer to the image of the ammeter labeled D and E)

• 200 mA

• 100 mA

• 500 mA

• 50 mA

What is the current for letter E? ______________ (Refer to the image of the ammeter labeled D and E)

• 400 mA

• 100 mA

• 250 mA

• 600 mA

What is the unit symbol for Ampere?

• A

• Am

• Ap

• An

Define Ampere: ____________________________ ____________________________ ____________________________

• Ampere is the unit of electric current. It is defined as the flow of one coulomb of charge per second.

• Ampere is the unit of resistance. It is defined as the opposition to the flow of current.

• Ampere is the unit of voltage. It is defined as the potential difference between two points.

• Ampere is the unit of power. It is defined as the rate at which work is done.

8. __________________ is the movement of electrons through a conductor.

• Electric current

• Magnetic field

• Thermal energy

• Sound wave

Give 2 examples of a conductor

• Copper, Aluminum (other correct conductors are possible)

• Wood, Plastic

• Glass, Rubber

• Paper, Wool

Give 2 example of an insulator

• Rubber, Plastic (other correct insulators are possible)

• Copper, Iron

• Gold, Silver

• Aluminum, Steel

Tags

NGSS.MS-PS3-3