Electromagnetism test review

Two south magnetic poles brought near each other -

• attract each other

• magnetize each other

• repel each other

• cancel each other

Tags

NGSS.MS-PS2-3

A north magnetic pole brought near a south magnetic pole -

• attracts the south pole

• nullifies the south pole

• repels the south pole

• magnetizes the south pole

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Two north magnetic poles brought near each other -

• magnetize each other

• cancel each other

• attract each other

• repel each other

Tags

NGSS.MS-PS2-3

An electric [blank] produces a magnetic field. Choose one option for each blank section.

You can increase the strength of a magnetic field by increasing the amount of [blank] in the wire. Choose one option for each blank section.

Tags

NGSS.MS-PS2-3

______ are used in electric motors, earphones, and in junkyards to lift old cars and other heavy steel objects. Choose one option for each blank section.

• Circuits

• Electromagnets

You can increase the strength of an electromagnet by -

• A. adding loops of wire

• B. using the direct current

• C. winding the coils more loosely

• D. decreasing the current in the solenoid

Tags

NGSS.HS-PS2-5

An electric current is produced in a conductor when the conductor moves through a _______. Choose one option for each blank section.

Tags

NGSS.HS-PS2-5

An electric motor uses -

• A) visible light to produce mechanical energy

• B) mechanical energy to produce electricity

• C) electrical energy to produce mechanical energy

• D) mechanical energy to produce sound

A generator transforms -

• mechanical energy into electrical energy

• electrical energy to mechanical energy

• mechanical energy to sound

• electromagnetic energy to mechanical energy

Tags

NGSS.HS-PS3-3