Electricity & Magnetism Test Review 2024

What is lightning an example of?

• All of the choices given.

• electric discharge

• static electricity

• attraction of negative charges to positive charges

Tags

NGSS.MS-PS2-5

Which picture of John Travoltage shows more electrical force?  Why?

• B, because he has more electrons

• B, because both feet are closer to the carpet

• A, because he has more protons

• All of the choices given.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the diagram pictured called?

• electric ground

• electric current

• electric eel

• electric circuit

In the picture, why is the bulb not lit?

• the electrons have stopped flowing

• the circuit is open

• the path is not closed

• All of the choices given.

In the picture, why are there more iron filings at the ends of the magnet?

• All of the choices given.

• because the poles have more pull than the rest of the magnet

• because the magnetic effects are strongest at the poles

• because that is where the poles are located

Tags

NGSS.3-PS2-3

How can a magnet move an object without touching them?

• All of the choices given.

• The object comes near the magnet's magnetic field.

• The object is surrounded by a magnetic field.

• The magnet is surrounded by a magnetic field.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The closer a magnet is to an object, the stronger the force.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is an electromagnetic?

• A metal object with a north pole and a south pole that is plugged into electricity.

• A metal object hooked up to electricity.

• A metal object with a magnetic field created by electricity flowing around it.

Which of the objects pictured are conductors?

• All of the items pictured are conductors.

• Only "A" is a conductor.

• Only "B" and "D" are conductors

• All are conductors except "A."

Tags

NGSS.MS-PS2-3

If a magnet breaks, both pieces will have both a north and a south pole.

• True

• False

Tags

NGSS.MS-PS2-3