Magnetic Poles

Which one of the following will not experience a force when placed in a magnetic field?

• piece of plastic

• iron nail

• paperclip

• steel spoon

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

The end of a freely suspended magnetic that faces North is called the

• Earth pole

• Domain

• South pole

• North seeking pole

In un-magnetized materials the domains are __________ aligned.

• super
• slightly
• randomly
• always

The strongest part of a magnet is...

• at the bars.

• the force field.

• at the poles.

• in the middle.

Tags

NGSS.MS-PS2-3

Which one of the following is not correct about magnetism?

• A magnetic material is something that is attracted by a magnet, for example, a steel paper clip

• All magnetic materials are magnets

• Magnetism is the force that pulls the opposite poles of two magnets together or pushes the same poles of two magnets apart

• A magnet is a piece of magnetic material with a north and south pole

Which one of the following is correct about the images shown?

• Image A is caused by a single bar magnet

• Image B is caused by a horseshoe magnet and a bar magnet facing each other

• Image A is caused by two bar magnets with opposite poles facing each other

• Image B is caused by a horseshoe magnet

Tags

NGSS.MS-PS2-3

The arrows of magnetic field lines show the direction of force and

• always leave the North pole and point to the South pole

• always point to the middle of the magnet

• always leave the South pole and point to the North pole

• always point to both the North and South pole

The picture shows an example of

• the Earth's magnetic field

• the flow of electric current

• the repelling force of a magnetic field

• induced magnetism

Tags

NGSS.MS-PS2-3

What will happen as soon as the two nails are attracted to the magnet as shown in the image?

• nothing will happen

• the heads of the two nails will be attracted to each other

• the heads of the two nails will repel each other

• one nail will spin clockwise while the other will spin anti clockwise

Tags

NGSS.MS-PS2-5