Magnetism and Electromagnetism Quiz

How is the Aurora Borealis created?

• By solar winds interacting with the Earth's magnetosphere

• By the reflection of sunlight off the polar ice caps

• By volcanic activity in the polar regions

• By man-made light pollution

When a compass is used, to what magnetic pole does the needle point?

• North Magnetic Pole

• South Magnetic Pole

• East Magnetic Pole

• West Magnetic Pole

Which of the following best defines electromagnetism?

• The branch of science concerned with the properties of electromagnetic fields.

• The study of mechanical systems powered by electricity.

• The interaction between electrically charged particles.

• The science of electric charge at rest.

Describe how magnetic and electric fields interact, specifically with regards to light.

• Through electromagnetic waves

• By creating gravitational pull

• Through mechanical vibrations

• By reflecting light

Define magnetism.

• A physical phenomenon produced by the motion of electric charge, resulting in attractive and repulsive forces between objects.

• The study of matter, its properties, how and why substances combine or separate to form other substances, and how substances interact with energy.

• A branch of science that deals with celestial objects, space, and the physical universe as a whole.

• The science that deals with the composition, structure, and properties of substances and with the transformations that they undergo.

What happens when two like poles of magnets interact with one another?

• They attract each other

• They repel each other

• Nothing happens

• They cancel each other's magnetic field

The areas in which the individual magnetic orientations of atoms line up are called ____________.

What makes iron an ideal material to use as a magnet?

• Its abundance on Earth

• Its magnetic properties

• Its color

• Its weight

In the right-hand rule for the magnetic force, identify what each part of the hand represents:

• a. Thumb - Direction of the magnetic field, Pointer finger - Direction of current, Middle finger - Direction of magnetic force

• b. Thumb - Direction of current, Pointer finger - Direction of the magnetic force, Middle finger - Direction of the magnetic field

• c. Thumb - Direction of magnetic force, Pointer finger - Direction of the magnetic field, Middle finger - Direction of current

• d. Thumb - Direction of the magnetic field, Pointer finger - Direction of magnetic force, Middle finger - Direction of current

What three factors could cause a material to become unmagnetized?

• Heating, hammering, and electric shock

• Cooling, soaking in water, and painting

• Freezing, exposure to sunlight, and burying underground

• Applying a magnetic field, cutting, and polishing