Magnetism Test

The interaction between 2 magnets is called __________.

• magnetic force

• magnetic field

• polarity

• current

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What type of magnet best describes the one inside of Earth?

• a horseshoe

• a circle

• a square

• a bar

If a magnet is N-S or S-N, it will ____________.

• attract

• repel

• both of the above

• none of the above

Tags

NGSS.MS-PS2-5

If a magnet is N-N or S-S, it will ____________.

• attract

• repel

• both of the above

• none of the above

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The __________ are regions where the magnetic force exerted by a magnet is strongest.

• magnetic field lines

• anodes

• magnetic poles

• cathodes

Groups of atoms with aligned magnetic poles are called ____________.

• magnetic domains

• magnetic fields

• temporary magnets

• permanent magnets

When a bar magnet is broken into 2 pieces, each piece has a north pole and a south pole because ____________.

• every magnet is made of many aligned smaller magnets

• the magnetic fields reversed

• the magnetic poles have been isolated

• bar magnets are permanent magnets

What are 2 ways to increase the strength of an electromagnet?

• less turns on coil and less current through the wire

• less turns on coil and more current through the wire

• more turns on coil and less current through the wire

• more turns on coil and more current through the wire

Tags

NGSS.MS-PS2-3

What is an instrument with a magnetic pointer that shows direction?

• ruler

• triple beam balance

• compass

• graduated cylinder

What is the region of Earth’s magnetic field?

• magnetosphere

• electromagnetism

• electromagnetic induction

• electromagnet