Curated OER
Magnetism
Provide physical science explorers an overview of magnetism with this collection of slides. The third slide posts hyperlinks to websites that cover magnetic fields in detail, so ideally this presentation would be viewed by small groups...
Other
Integrated Magnetics: Magnet Frequently Asked Questions
Answers to many Frequently Asked Questions on magnets and magnetism.
Wolfram Research
Wolfram Science World: Magnetic Permeability
This site defines magnetic permeability in terms of magnetic fields, and relates magnetic permeability to magnetic susceptibility and relative permeability.
Wikimedia
Wikipedia: Permeability
This site from the encyclopedia Wikipedia provides a concise definition of magnetic permeability given in terms of magnetic flux density and magnetic field strength.
Other
Family Education Network: Heavy Metal
An engaging site that provides interesting facts about magnets. Solve a problem and discover how to create a compass.
Oswego City School District
Regents Exam Prep Center: Permeability
A good visual introduction to permeability, comparing the magnetic permeabilities of air and iron. This site provides a good conceptual introduction to this topic.
Tech Target
Whatis.com: Permeability
This resource defines magnetic permeability and then describes how it is used to classify materials as diamagnetic, paramagnetic, or ferromagnetic.
Science4Fun
Science4 Fun: Magnetism
What is magnetism? Learn about magnetic domains, how magnets attract or repel, magnetic materials, electromagnets and their uses, and the history of magnets.