Earth's Magnetic Pole Reversals

It is a shift in the magnetic field of the Earth wherein the magnetic north and magnetic south positions are interchanged.

• Magnetic Reversal

• Electrostatic Reversal

• Geomagnetic Field

• Geomagnetic Spreading

Tags

NGSS.HS-PS2-5

These serve as evidences that indeed, the magnetic reversal occurred.

• Magnesium

• Rocks

• Precipitation

• Moon Particles

A French geophysicist known for his discovery of Magnetic Reversal.

• Alfred Butler

• Bert Bruces

• Alfred Brunhes

• Bernard Brunhes

4.) How often does a magnetic reversal occur?

a.) every 2 million years

b.) every 200,000- 300,000 years ------

c.) every millennium

d.) every 20,000- 45,000 years

• Every 2 million years

• Every 200,000-300,000 years

• Every millennium

• Every 20,000-45,000 years

It is the period between polarity reversals of Earth's magnetic field

• Chrome

• Chrons

• Trons

• Cronus

This shields us from the high amounts of radiation from the Sun.

a.) Moon

b.) Nuclear Field

c.) Magnetic Field

d.) Electric Field

• Moon

• Nuclear Field

• Magnetic Field

• Electric Field

Tags

NGSS.HS-PS2-5

NGSS.HS-PS4-3

This is a technique has been used to study the history of Earth’s field at various locations.

• Polarity Separation

• Astral Wander

• Apparent Polar Wander

• Paleomagnetism

An iron rich-mineral, which is abundant in lava flows of basaltic composition.

• Magnetite

• Air Particles

• Sand

• Solar Energetic Particles (SEP)

Tags

NGSS.MS-ESS3-1