Earth & Magnet Quiz

What is the name of the magnetic field surrounding the Earth?

• magnetosphereic

• magnetosphere

• magneticfield

• earthshield

What are the two points on Earth where the magnetic field lines are perpendicular to the surface?

• Equator

• Tropic of Cancer

• Magnetic poles

• Tropic of Capricorn

What device uses Earth's magnetic field to determine direction?

• compass

• gyroscope

• altimeter

• barometer

Name a material that is naturally magnetic.

• Aluminum

• Copper

• Iron

• Gold

What is the phenomenon where the Earth's magnetic poles reverse?

• Magnetic inversion

• Pole shift

• Earth's magnetic flip

• Geomagnetic reversal

How can electricity and magnetism be combined to create a temporary magnet?

• Placing a magnet near an electric wire to induce magnetism

• Heating a metal rod to create a temporary magnetic field

• Rubbing a balloon on a wool sweater to create a magnetic field

• Pass an electric current through a coil of wire to create a magnetic field that can magnetize a nearby material.

Which part of the Earth is believed to generate its magnetic field?

• Inner core

• Crust

• Outer core

• Mantle

What happens to a magnetic material when it is heated to a certain temperature called the Curie point?

• It becomes ferromagnetic

• It retains its magnetic properties

• It becomes diamagnetic

• It loses its magnetic properties and becomes paramagnetic.

What is the term for the study of the Earth's magnetic field?

• Geomagnetism

• Astronomy

• Geochemistry

• Geophysics

How does a compass needle align itself with the Earth's magnetic field?

• Through gravitational forces

• Because it is attracted to the North Pole

• Due to the interaction between the magnetic properties of the compass needle and the Earth's magnetic field.

• By emitting its own magnetic field