Magnetism

Front

What will happen when these magnets are brought close together?

Back

They will repel each other.

Front

The magnet's shown will

Back

attract

Front

This large crane magnet functions only when the electrical current is ON. The crane magnet is an example of what type of magnet?

Back

Electromagnet

Front

How is Earth's magnetic field similar to that of a magnet?

Back

It has north and south poles

Front

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

Back

Decreases

Front

The strongest part of a magnet is...

Back

the poles.

Front

Atoms that have a positive charge will be ATTRACTED to atoms with a ___________ charge.

Back

negative

Front

What makes an electromagnet stronger?

greater number of loops

,

smaller number of loops

,

decreasing the current

,

decreasing the voltage

Back

greater number of loops

Front

When the number of electrons matches the number of protons, the atom's charge is...

Back

neutral

Front

If two objects with static charge are attracted, what do you know about them?

Back

One is positively charged and one is negatively charged, but you won't be able to tell which is which.