Geomagnetic Reversals Quiz

What phenomenon involves the North Pole shifting and potentially reversing positions with the South Pole?

• Solar flare

• Geomagnetic reversal

• Earthquake

• Tectonic shift

What percentage of its normal strength can Earth's magnetic field drop to during a geomagnetic reversal?

• 50%

• 75%

• 10%

• 90%

How many times have geomagnetic reversals occurred in the last 83 million years?

• 50 times

• 183 times

• 300 times

• 450 times

What is a potential consequence of a weakened magnetic field during a geomagnetic reversal?

• Increased rainfall

• Decreased solar radiation

• Malfunctioning satellites

• Stronger earthquakes

What is the term for a temporary weakening of the magnetic field linked to a mass extinction event in Australia?

• Geomagnetic excursion

• Solar storm

• Magnetic anomaly

• Polar drift

What might happen to the magnetic field during periods of instability in the core's spinning motion?

• It strengthens significantly

• Multiple poles might emerge temporarily

• It becomes completely stable

• It disappears entirely

What might humans need to adapt to due to a geomagnetic reversal?

• A more stable environment

• A more hazardous space environment

• A warmer climate

• A colder climate

Which online platform is mentioned as offering mental health support?

• Facebook

• BetterHelp

• Twitter

• Instagram

What is the potential future challenge mentioned in the text?

• Economic recession

• Geomagnetic reversal

• Global warming

• Overpopulation