Electricity Review

A student is making an electromagnet. She needs to choose a rivet (core) to wrap the wire around.She can choose from a copper, iron, or steel rivet. Which sentence below is true?

• She can use any of the rivets because they are all metals.

• She can use the iron or steel rivets..

• She can use only the iron rivet.

• She can use only the copper rivet.

What is static electricity?

• Static electricity occurs when friction is present.

• Static electricity occurs when opposite poles attract.

• Static electricity occurs when there is a build up of unequal amounts of negatively and positively charged particles.

• Static electricity occurs when we wrap a wire around a metal.

Which one of these circuits would work?

• A

• B

• C

• D

Michael Faraday contributed to our understanding of electricity and magnetism. What did his discovery help him create?

• He created a conveyor belt.

• He created a fan and air conditioning unit.

• He created a generator and transformer.

• He created a heater.

A lamp transforms electrical energy into other type(s) of energy. What type(s) of energy is a lamp transforming the electrical energy into when in use?

• A Mechanical and radiant energy

• Mechanical and thermal energy

• Mechanical, radiant, and thermal energy

• Radiant and thermal energy

Which of the following incorrectly depicts a magnetic field?

• A

• B

• C

• D

Michael Faraday

• Improved the light bulb

• Discovered that electricity could be created by moving a magnet inside a wire coil

• Found that lightning was a form of electrical energy

• Created electricity