Earth's Magnetic Field Flashcard

Front

What is the main theory that explains Earth's magnetic field?

Back

Dynamo Theory

Front

Which layer of Earth is primarily responsible for generating the magnetic field?

Back

Outer Core

Front

What causes the movement in Earth's outer core that leads to magnetism?

Back

Convection currents of molten metals

Front

What is the Coriolis Effect's role in Earth's magnetism?

Back

Aligns convection currents to stabilize the magnetic field

Front

Earth's magnetic poles are:

Back

Slightly offset from the geographical poles

Front

What is a geomagnetic reversal?

Back

A change in direction of Earth's magnetic poles

Front

Which area surrounding Earth protects it from solar wind and cosmic radiation?

Back

Magnetosphere

Front

Which phenomenon allows the Earth to act like a giant magnet?

Back

Dynamo effect in the outer core

Front

Magnetic Declination

Back

Angle difference between True North and Magnetic North

Front

What instrument primarily uses Earth's magnetic field for navigation?

Back

Magnetic Compass