Magnetism and Electromagnetism Quiz

What are the two poles of a bar magnet called?

• North and South

• East and West

• Top and Bottom

• Left and Right

What do lines of magnetic flux form around a bar magnet?

• Zigzag patterns

• Random shapes

• Complete loops

• Straight lines

In which direction do lines of magnetic flux flow around the outside of a bar magnet?

• West to East

• South to North

• East to West

• North to South

What happens to lines of magnetic flux when they are alike?

• They repel

• They attract

• They cross each other

• They disappear

What can weaken the magnetic field of a bar magnet?

• Keeping it in a vacuum

• Wrapping it in plastic

• Cooling it down

• Applying heat

What is the relationship between electricity and magnetism called?

• Electrokinetic

• Electromagnetism

• Electrogravity

• Electrostatic

What happens when you bring two north poles of two bar magnets together?

• They merge

• They repel

• They neutralize

• They attract

What is one of the four fundamental forces that exist on earth?

• Momentum

• Electromagnetism

• Friction

• Inertia

What do lines of magnetic flux do when they are opposite?

• They repel

• They attract

• They cancel out

• They become neutral

What is a common material used to visualize magnetic fields in experiments?

• Copper wires

• Glass marbles

• Iron filings

• Plastic beads