Magnets and Magnetism

Front

What happens when the North pole of a magnet interacts with another magnet's north pole?

Back

repel

Front

True or False:  The Earth is a giant magnet

Back

True

Front

Which of these is magnetic?

copper

,

aluminium

,

iron

,

silver

Back

iron

Front

Which of the following is true about a bar magnet? Options: Its magnetic field is strongest near its center., It is surrounded by a magnetic field., The north pole is stronger than the south pole., The south pole is stronger than the north pole.

Back

It is surrounded by a magnetic field.

Front

Earth acts like a giant magnet because its center is made up MOSTLY of? Options: granite, limestone, iron, nickel

Back

iron

Front

Magnetism is generated by moving

Back

electrons.

Front

As the distance between two magnets increases (they get farther apart), the force between them:

Back

Decreases

Front

If you cut a magnet in half, what happens to the poles?

Back

Both halves get a North pole and a South Pole

Front

What do the lines around this magnet represent?

Back

Magnetic Field

Front

Why does a compass needle point north?

Back

It lines up with the Earth's magnetic field