electricity review

Which among these materials is a good conductor of electricity?

• rubber

• silver

• wood

• glass

Which of the following circuits results in a light not being turned on?

• series circut

• parallel circuit

• closed circuit

• open circuit

Select ALL the insulators

• rubber

• copper

• plastic

• people

• wood

The surface of a plastic rod is rubbed with a cloth for 40 seconds and then held near running water. A steady stream of the water bends toward the rod. Which phenomenon is used in this experiment?

• Electromagnet

• Static Electricity

• Current Electricity

• Friction

Tags

NGSS.MS-PS2-5

The following diagram shows an example of...

• a compass

• a magnet

• an electromagnet

• a battery

Tags

NGSS.MS-PS2-3

A conductor is a material that..

• blocks electrical energy.

• allows electrical energy to flow.

• slows down electrical energy.

• cuts off the electrical energy.

Which object below converts electrical energy to thermal energy?

• A ceiling fan

• A toaster

• A dish washer

• A candle

Which is an example of electrical energy converting into mechanical energy?

• A desk lamp

• A oven

• An electric heater

• A vacuum

True or false: The following circuit is a series circuit.

• True

• False

Which of the following scientists is known for discovering the use of an electromagnet in an electric generator?

• Benjamin Franklin

• Michael Faraday

• Thomas Edison

• Nikola Tesla