Energy Unit Test

What is the flow of electric charge called?

• Voltage

• Current

• Resistance

• Power

What is the unit of electric current?

• Volt

• Ampere

• Ohm

• Watt

Which material is the best conductor of electricity?

• Wood

• Plastic

• Copper

• Rubber

Which of the following is a good insulator?

• Copper

• Aluminum

• Glass

• Iron

Tags

NGSS.MS-PS3-3

What is the purpose of a battery in an electrical circuit?

• To stop the flow of current

• To provide electrical energy

• To increase resistance

In a series circuit, if one bulb burns out, what happens?

• The other bulbs will stay on

• All bulbs go out

• The battery drains faster

• The current stops completely

Which of the following is the unit for electrical resistance?

• Volt

• Ampere

• Ohm

• Watt

Which of these is a source of alternating current (AC)?

• Battery

• Solar cell

• Power plants

• Capacitors

The electrical energy in a circuit depends on the voltage and which other factor?

• Resistance

• Speed

• Mass

• Temperature

Tags

NGSS.MS-PS3-5

A material that resists the flow of electricity is known as a:

• Conductor

• Insulator

• Semiconductor

• Superconductor