Magnetism Quiz

What is magnetism?

• A force caused by the unique properties of certain materials

• A force caused by the spinning of electrons in random directions

• A force caused by the arrangement of atoms in most objects

• A force caused by the Earth's core

What creates two poles in a magnet?

• The spinning of electrons in random directions

• The arrangement of atoms in most objects

• The unique properties of certain materials

• The Earth's core

What flows from the North pole to the South pole of a magnet?

• Electricity

• Heat

• Magnetic force

• Gravity

What happens when you try to push two South poles of magnets together?

• They attract each other

• They repel each other

• They cancel each other out

• They create a magnetic field

What materials have the right type of structures to create magnets?

• Steel

• Copper

• Aluminum

• Plastic

What is the Earth's core made up of?

• Iron

• Steel

• Copper

• Aluminum

What is the positive and negative poles of the Earth's giant magnet?

• North and South poles

• East and West poles

• Up and Down poles

• Left and Right poles

What is created by wrapping a wire around an iron bar and running current through it?

• Electricity

• Heat

• Magnetism

• Gravity

What is one of the most important applications of electromagnets?

• Electric motors

• Light bulbs

• Radios

• Computers

What does the Earth's magnetic field protect us from?

• Rain

• Wind

• Sun's solar wind and radiation

• Earthquakes