Magnetism

Front

What type of field does the Earth produce?

Back

Magnetic field.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Front

How can permanent magnets be demagnetized?

Back

By heating them past the Curie point (approximately 1,060 °F).

Tags

NGSS.HS-PS3-5

Front

What happens to certain materials in response to magnetic fields?

Back

They become magnetic; Iron is one of these materials.

Tags

NGSS.HS-PS3-5

Front

What is the term for the area around a magnet where magnetic forces are exerted?

Back

Magnetic field.

Tags

NGSS.MS-PS2-5

Front

In magnetic materials, what are all the domains doing?

Back

Pointing in the same direction.

Front

What is a permanent magnet?

Back

A magnet that maintains its magnetic properties without the need for an external power source.

Tags

NGSS.MS-PS2-5

Front

What is the Curie point?

Back

The temperature at which a material loses its permanent magnetic properties.

Front

What is the difference between a permanent magnet and an electromagnet?

Back

A permanent magnet is always magnetic, while an electromagnet is magnetic only when an electric current is applied.

Tags

NGSS.HS-PS2-5

Front

What is ferromagnetism?

Back

A phenomenon where certain materials can become magnetized and retain their magnetism.

Front

What is a magnetic domain?

Back

A region within a magnetic material where the magnetic moments of atoms are aligned in the same direction.

Tags

NGSS.HS-PS3-5