Magnetism

Front

Magnetism is generated by moving

Back

electrons.

Front

What do the lines around this magnet represent?

Back

Magnetic Field

Front

As the distance between two magnets increases, 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 is responsible for the Magnetic Field around Earth?

Back

The Earth's molten iron core

Front

If the North Pole of a permanent magnet is placed next to a compass, which direction will the needle move?

Back

Counter-clockwise

Front

How can an electromagnet's poles be reversed?

Back

Changing the direction of current flow.

Front

Which direction is the North Pole of this electromagnet? Options: Right, Left, Up, Down

Back

Left

Front

In un-magnetized materials the domains are __________ aligned.

Back

randomly

Front

Electric motors are devices that convert _____ energy into _____ energy.

Back

electrical; mechanical