Unit Diagnostic Assessment: Magnetism and Electricity

What is a magnet?

• A material that produces light

• A material that produces a magnetic field

• A material that conducts electricity

• A material that insulates heat

Which of the following is a property of magnets?

• They attract all metals

• They have a north and south pole

• They repel non-metals

• They produce electric current

What happens when two like poles of magnets are brought close together?

• They attract each other

• They repel each other

• They cancel each other out

• They produce light

What is the relationship between magnetic force and distance?

• Force increases as distance increases

• Force decreases as distance increases

• Force remains constant regardless of distance

• Force is not affected by distance

What is a magnetic field?

• A region where electric charges move

• A region where magnetic forces can be detected

• A region where light is produced

• A region where heat is conducted

How do magnetic fields interact?

• They combine to form a single field

• They cancel each other out

• They create electric current

• They produce light

Which of the following materials is attracted to a magnet?

• Plastic

• Wood

• Iron

• Glass

What is the direction of a magnetic field line outside a magnet?

• From north to south

• From south to north

• Randomly oriented

• There are no field lines

What carries a negative electric charge?

• Protons

• Neutrons

• Electrons

• Photons

What carries a positive electric charge?

• Protons

• Neutrons

• Electrons

• Photons