Grade 9 Magnetism

Front

In un-magnetized materials, the domains are __________ aligned.

Back

randomly

Front

Which one of the following is not correct about magnetism? A magnetic material is something that is attracted by a magnet, for example, a steel paper clip; All magnetic materials are magnets; Magnetism is the force that pulls the opposite poles of two magnets together or pushes the same poles of two magnets apart; A magnet is a piece of magnetic material with a north and south pole.

Back

All magnetic materials are magnets.

Front

What do the lines around a magnet represent?

Back

Magnetic Field

Front

The picture shows an example of: the Earth's magnetic field; the flow of electric current; the repelling force of a magnetic field; induced magnetism.

Back

induced magnetism.

Front

The arrows of magnetic field lines show the direction of force and __________.

Back

always leave the North pole and point to the South pole.

Front

What is a magnet?

Back

A magnet is a piece of magnetic material that has a north and south pole.

Front

What is magnetism?

Back

Magnetism is the force that attracts or repels magnetic materials.

Front

What happens to the magnetic domains in a magnetized material?

Back

The domains are aligned in the same direction.

Front

What is the Earth's magnetic field?

Back

The Earth's magnetic field is the magnetic field that extends from the Earth's interior to where it meets the solar wind.

Front

What is induced magnetism?

Back

Induced magnetism occurs when a material becomes magnetized in the presence of a magnetic field.