Magnetic Fields CHECKPOINT

Front

What is a magnetic field?

Back

A magnetic field is an invisible field around a magnet where magnetic forces can be detected.

Front

What are the two poles of a magnet?

Back

Every magnet has a north pole and a south pole.

Front

How do magnets attract or repel objects?

Back

Magnets attract or repel objects through the magnetic field that surrounds them.

Front

What happens to the domains in a piece of iron when it becomes magnetized?

Back

The domains in a piece of iron will all line up in the same direction when it becomes magnetized.

Front

What is the direction of magnetic field lines?

Back

Magnetic field lines emerge from the north pole and enter the south pole of a magnet.

Front

What is the Earth's magnetic field?

Back

The Earth's magnetic field is a magnetic field that surrounds the Earth, similar to that of a bar magnet.

Front

What is the significance of the north pole of a magnet?

Back

The north pole of a magnet is the end that points towards the Earth's geographic north when freely suspended.

Front

What is a magnetic force?

Back

A magnetic force is the attraction or repulsion that occurs between magnetic materials due to their magnetic fields.

Front

What is the difference between permanent and temporary magnets?

Back

Permanent magnets maintain their magnetism over time, while temporary magnets only exhibit magnetic properties when in a magnetic field.

Front

What materials are typically attracted to magnets?

Back

Materials like iron, nickel, and cobalt are typically attracted to magnets.