Magnetism and Electromagnetism

Front

_______ magnets have a North pole and a South pole.

Back

All

Front

How can a simple electromagnet be made stronger?

Back

Add more coils of wire to the nail.

Front

Surrounding every magnet is a(n) __________  __________.

Back

magnetic field

Front

What kind of magnet can be turned on and off?

Back

an electromagnet

Front

When two magnetic North poles are brought close to each other, they will

Back

repel

Front

When two magnetic South poles are brought close to each other, they will

Back

repel

Front

When a magnetic South pole is brought close to a magnetic North pole, the magnets will

Back

attract

Front

When a magnet is able to move freely, its North pole will

Back

point to the Earth's magnetic North pole

Front

How do magnetic field lines look when drawn?

Back

Curved lines from N to S pole and outwards.

Front

What's the difference between a solenoid and an electromagnet?

Back

Electromagnets include a nail inside the coils.