Magnetism

Four plotting compasses are placed in the magnetic field of two identical bar magnets as shown in the diagram. Which compass is pointing in the wrong direction?

• A

• B

• C

• D

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A magnet will be attracted to the objects which are made of ____________.

• steel and iron

• steel and copper

• aluminum and gold

• copper and brass

Tags

NGSS.3-PS2-3

NGSS.5-PS1-3

Which of the following is not a characteristic of magnetic field lines?

• Magnetic field lines begin from North Pole to South Pole.

• Magnetic field lines do not intersect.

• The strength of magnetic field lines is indicated by the spacing of lines.

• Magnetic field lines always form open loops.

Tags

NGSS.MS-PS2-3

Two iron nails hang from a bar magnet. Which diagram shows the magnetic poles induced in the nails?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The north pole of a bar magnet is placed next to end P of an iron bar PQ, as shown. As a result, magnetic poles are induced in the iron bar.

• A

• B

• C

• D

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following is true about a bar magnet that is divided into two pieces?

• Two new bar magnets were made.

• The magnetlost its magnetism.

• Magnetic poles were separated.

• The magnet increased its magnetism.

Ferromagnetic materials that retain the magnetism induced in them become permanent magnets.

• True

• False

Tags

NGSS.MS-PS2-5

How will you describe magnetism?

• A kind of force

• A kind of electricity

• A kind of energy

• A kind of element

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following object is/are magnetic?

• coin

• nickel

• rubber

• leather

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the arrangement of the induced poles in the pieces of iron?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-5