Magnetism Preview

Unlike poles of different magnets, will

• attract
• repel
• cancel each other out
• first attract, then repel

Tags

NGSS.MS-PS2-3

Which of the following materials does not magnetize?

• iron
• cobolt
• glass
• nickel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

In a magnetized object, most of the domains point

• in the same direction.
• in an east-west direction.
• in different directions.
• perpendicular to one another.

Materials that are more difficult to magnetize but tend to stay magnetized are called

• natural magnets.
• permanent magnets.
• soft magnets.
• variable magnets.

A magnetic field is described by magnetic lines of

• energy.
• strength.
• force.
• intensity.

Tags

NGSS.MS-PS2-5

Which of the following is not likely to cause a magnet to lose its magnetism?

• Striking it with a hammer.
• Cooling it.
• Dropping it repeatedly on the ground.
• Heating it.

The magnetic variation of a compass is the smallest at the

• geographic North Pole.
• geographic South Pole.
• Equator
• International Date Line.

A bar magnet has

• one magnetic pole.
• two magnetic poles.
• three magnetic poles.
• four magnetic poles.

Which of the following rocks has magnetic properties?

• quartz
• granite
• limestone
• lodestone

The magnetic field of a magnet is strongest

• at its north pole.
• at its south pole.
• in the middle.
• at both of its poles.

Tags

NGSS.MS-PS2-3