Magnetism Review

Which particle is not part of an atom?

• proton
• electron
• neutron
• magnetic domain

What is magnetism?

• the force of attraction or repulsion
• property of all rocks
• type of rock
• lodestar

What is the magnetosphere?

• a stream of electrically charged particles flowing at high speeds from the sun
• the region of Earth's magnetic field shaped by the solar winds
• a glowing region in the atmosphere caused by charged particles from the sun
• the angle between geographic north and the magnetic pole of the Northern Hemisphere.

What is an electron?

• a particle that carries a negative charge
• a particle that carries a positive charge
• a particle that does not carry an electric charge
• the smallest particle of an element that has the element's properties

Since Earth produces a strong magnetic field,

• Earth can make magnets.
• Earth can attract other planets.
• meteorites tend to move in Earth's direction.
• the ground will repel a magnet place upside down.

What causes a compass to behave as it does?

• Earth's gravity
• Earth's shape
• Earth's geographic north pole
• Earth's magnetic field

Magnetic field lines around a bar magnet

• are only perpendicular to the magnet.
• spread out from one pole and curve around to the other.
• cross back and forth over one another.
• are perfectly straight.

Where is the magnetic pole in the Northern Hemisphere?

• at the geographic north pole
• at the geographic south pole
• along the coast of Antarctica
• in northern Canada

Most materials are not magnetic because

• they lack magnetic fields.
• their magnetism has worn off.
• their magnetic domains are arranged randomly.
• Earth's heat has destroyed their magnetism.

A spinning electron produces a(an)

• element.
• magnetic field.
• proton.
• piece of iron.