SciShow: What Makes Earth’s Magnetic Field Change Direction?

Teacher or professor: SciShow
Subject: Science
Content of the Lesson: Start building your ideal daily routine with Fabulous. The first 100 people who click on the link will get 25% OFF Fabulous Premium: https://thefab.co/scishow6 You might have heard that Earth is due for a complete flip of its magnetic field. And while our planet does have a history of this behavior, predictions of when it might happen are too complex to estimate a date for. Hosted by: Michael Aranda SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Tomás Lagos González, Sam Lutfi. Bryan Cloer, Christoph Schwanke, Kevin Bealer, Jacob, Jason A Saslow, Nazara, Tom Mosner, Ash, Eric Jensen, Jeffrey Mckishen, Matt Curls, Alex Hackman, Christopher R Boucher, Piya Shedden, Jeremy Mysliwiec, charles george, Chris Peters, Adam Brainard, Dr. Melvin Sanicas, Harrison Mills, Silas Emrys, Alisa Sherbow ---------- Looking for SciShow elsewhere on the internet? SciShow Tangents Podcast: https://scishow-tangents.simplecast.com/ Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Instagram: http://instagram.com/thescishow #SciShow ---------- Sources: https://www.sciencedirect.com/science/article/pii/S0040195118301963 https://academic.oup.com/gji/article/221/1/142/5602599 https://www.pnas.org/doi/10.1073/pnas.2017696118 https://www.nature.com/articles/s41598-020-69916-w https://pubmed.ncbi.nlm.nih.gov/31423490/ https://sp.lyellcollection.org/content/424/1/265 https://www.sciencedirect.com/science/article/abs/pii/0031920195030493 https://www.sciencedirect.com/science/article/pii/S167498711200103X https://iopscience.iop.org/article/10.1209/0295-5075/77/59001 https://www.nature.com/articles/ncomms12507 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2003GC000635 https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2017EA000280 https://bookshop.org/books/krakatoa-the-day-the-world-exploded-august-27-1883/9780060838591 https://climate.nasa.gov/ask-nasa-climate/3104/flip-flop-why-variations-in-earths-magnetic-field-arent-causing-todays-climate-change/ https://websites.pmc.ucsc.edu/%7Eglatz/geodynamo.html https://www.wtamu.edu/~cbaird/sq/2013/11/15/why-does-a-magnetic-compass-point-to-the-geographic-north-pole/ https://www.scientificamerican.com/article/earths-magnetic-field-reversal-took-three-times-longer-than-thought/ Image Sources: https://commons.wikimedia.org/wiki/File:NASA_54559main_comparison1_strip.gif https://www.flickr.com/photos/gsfc/4445502419 https://svs.gsfc.nasa.gov/11700 https://www.istockphoto.com/vector/the-structure-of-the-world-that-is-divided-into-layers-to-study-the-core-of-the-gm1145028968-308067917 https://commons.wikimedia.org/wiki/File:Dynamo_Theory_-_Outer_core_convection_and_magnetic_field_geenration.svg https://commons.wikimedia.org/wiki/File:Earth%27s_magnetic_field,_schematic.svg https://commons.wikimedia.org/wiki/File:Terrestial_Planets_internal_en.jpg https://solarsystem.nasa.gov/resources/2286/modeling-earths-magnetism/ https://commons.wikimedia.org/wiki/File:Elongated_Cobbles_in_Conglomerate_at_Funzie_Bay_in_Shetland_in_Scotland_-_Geograph_4982542.jpg https://commons.wikimedia.org/wiki/File:Ophiolite_suite_scheme.jpg https://commons.wikimedia.org/wiki/File:Section_of_Samail_Ophiolite.jpg https://www.nasa.gov/feature/nasa-researchers-track-slowly-splitting-dent-in-earth-s-magnetic-field https://climate.nasa.gov/ask-nasa-climate/3104/flip-flop-why-variations-in-earths-magnetic-field-arent-causing-todays-climate-change/ https://commons.wikimedia.org/wiki/File:Tectonic_plates_boundaries_World_map_Wt_10degE_centered-en.svg https://commons.wikimedia.org/wiki/File:Subduction.svg https://commons.wikimedia.org/wiki/File:Jordens_inre.svg https://svs.gsfc.nasa.gov/4141 https://www.nature.com/articles/s41598-020-69916-w https://commons.wikimedia.org/wiki/File:Oceanic-continental_destructive_plate_boundary.svg https://www.shutterstock.com/image-vector/earth-magnetic-field-scientific-vector-illustration-1045945051 https://www.usgs.gov/media/images/geomagnetic-polarity-timescale https://www.istockphoto.com/vector/mock-up-screen-phone-gm1318420912-405555013 https://www.istockphoto.com/vector/realistic-vector-smartphone-illustration-gm1307030599-397427571


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