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This nicely animated 5-minute video explains the nature of Earth's magnetosphere from both a 2D and a 3D perspective. It uses simple visuals to explore the differences between Earth's geographic poles, magnetic poles and geomagnetic poles, a frequent stumbling block for students. An animated map shows how the magnetic poles have wandered (the North magnetic pole is currently on a pathway of movement from northern Canada to Siberia). The video also clearly shows how the magnetic field lines converge at points (north and south) that are different than the magnetic poles. Finally, the video discusses the flipping of magnetic poles on Earth -- a phenomenon that may be seen in the near future.
Editor's Note: This resource is part of Arbor Scientific's "Conceptual Academy" videos. All are free-access and may be used in your classroom or in remote tutorials. The standard YouTube CC-BY licensure applies, meaning that you must give attribution to the author in your teaching materials.
Subjects Levels Resource Types
Electricity & Magnetism
- Magnetic Fields and Forces
= Magnetic Fields
Other Sciences
- Geoscience
- High School
- Lower Undergraduate
- Audio/Visual
= Movie/Animation
Appropriate Courses Categories Ratings
- Physical Science
- Physics First
- Conceptual Physics
- Algebra-based Physics
- AP Physics
- Activity
- New teachers
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Intended Users:
Learner
Educator
Format:
text/html
Access Rights:
Free access
This resource falls under the YouTube CC BY 4.0, Creative Commons Attribution
Restriction:
© 2020 Arbor Scientific
Keywords:
internal dynamo, magnetic declination, magnetic pole reversal, pole reversal, solar wind
Record Creator:
Metadata instance created February 20, 2022 by Caroline Hall
Record Updated:
February 20, 2022 by Caroline Hall
Last Update
when Cataloged:
April 13, 2020

Next Generation Science Standards

Disciplinary Core Ideas (K-12)

Types of Interactions (PS2.B)
  • Forces at a distance are explained by fields (gravitational, electric, and magnetic) permeating space that can transfer energy through space. Magnets or electric currents cause magnetic fields; electric charges or changing magnetic fields cause electric fields. (9-12)
Earth Materials and Systems (ESS2.A)
  • Evidence from deep probes and seismic waves, reconstructions of historical changes in Earth's surface and its magnetic field, and an understanding of physical and chemical processes lead to a model of Earth with a hot but solid inner core, a liquid outer core, a solid mantle and crust. Motions of the mantle and its plates occur primarily through thermal convection, which involves the cycling of matter due to the outward flow of energy from Earth's interior and gravitational movement of denser materials toward the interior. (9-12)
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
(Arbor Scientific, Ann Arbor, 2020), WWW Document, (https://www.youtube.com/watch?v=Gea4cEA5Ris).
AJP/PRST-PER
Arbor Scientific: Earth Itself is a Huge Magnet (Arbor Scientific, Ann Arbor, 2020), <https://www.youtube.com/watch?v=Gea4cEA5Ris>.
APA Format
Arbor Scientific: Earth Itself is a Huge Magnet. (2020, April 13). Retrieved May 24, 2025, from Arbor Scientific: https://www.youtube.com/watch?v=Gea4cEA5Ris
Chicago Format
Arbor Scientific. Arbor Scientific: Earth Itself is a Huge Magnet. Ann Arbor: Arbor Scientific, April 13, 2020. https://www.youtube.com/watch?v=Gea4cEA5Ris (accessed 24 May 2025).
MLA Format
Arbor Scientific: Earth Itself is a Huge Magnet. Ann Arbor: Arbor Scientific, 2020. 13 Apr. 2020. 24 May 2025 <https://www.youtube.com/watch?v=Gea4cEA5Ris>.
BibTeX Export Format
@misc{ Title = {Arbor Scientific: Earth Itself is a Huge Magnet}, Publisher = {Arbor Scientific}, Volume = {2025}, Number = {24 May 2025}, Month = {April 13, 2020}, Year = {2020} }
Refer Export Format

%T Arbor Scientific: Earth Itself is a Huge Magnet %D April 13, 2020 %I Arbor Scientific %C Ann Arbor %U https://www.youtube.com/watch?v=Gea4cEA5Ris %O text/html

EndNote Export Format

%0 Electronic Source %D April 13, 2020 %T Arbor Scientific: Earth Itself is a Huge Magnet %I Arbor Scientific %V 2025 %N 24 May 2025 %8 April 13, 2020 %9 text/html %U https://www.youtube.com/watch?v=Gea4cEA5Ris


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