Magnetism and Electromagnetism

What is the principle behind how a compass works?

• A compass aligns itself with the Earth's magnetic field.

• A compass uses solar energy to function.

• A compass operates based on gravitational pull.

• A compass is influenced by the Earth's rotation.

What does it mean to repel?

• To attract

• To push away.

• To pull closer

• To ignore

What is the smallest particle of any particular type of matter?

• Molecule

• Atom

• Compound

• Element

What happens when you bring two opposite poles of a magnet together?

• They repel each other.

• They attract each other.

• They have no effect on each other.

• They create a magnetic field.

What is the role of electricity in creating a magnetic field?

• Electricity has no effect on magnetic fields.

• Electricity generates a magnetic field when it flows through a conductor.

• Electricity can only create static magnetic fields.

• Electricity weakens existing magnetic fields.

What do iron filings demonstrate when placed around a magnet?

• The magnetic field around the magnet.

• The temperature of the magnet.

• The weight of the magnet.

• The color of the magnet.

What is true about the relationship between electricity and magnetic fields?

• Electricity always creates a magnetic field.

• Magnetic fields can exist without electricity.

• Electricity has no effect on magnetic fields.

• Electricity only creates magnetic fields under certain conditions.

What happens when you bring two like poles of a magnet together?

• They attract each other.

• They repel each other.

• They create a magnetic field.

• They become neutral.

What is magnetic field strength?

• The measure of the intensity of a magnetic field.

• The distance between two magnetic poles.

• The speed at which magnetic waves travel.

• The amount of electric current flowing through a conductor.

What materials are typically attracted to magnets?

• Ferromagnetic materials like iron, nickel, and cobalt.

• Plastic and rubber materials.

• Wood and paper materials.

• Glass and ceramic materials.