Chapter 19: Magnetism

Magnets

Visit “Mag Lab U,” the educational website of the National High Magnetic Field Laboratory, for links to videos, demonstrations, historical information and more.

http://www.magnet.fsu.edu/education/tutorials/index.html

http://www.magnet.fsu.edu/education/tutorials/index.html

This website is a comprehensive collection of magent- and magentism-related experiments.

http://www.coolmagnetman.com/magindex.htm

http://www.coolmagnetman.com/magindex.htm

This simulation allows the user to experience how magnets and compasses interact.

http://phet.colorado.edu/en/simulation/magnet-and-compass

http://phet.colorado.edu/en/simulation/magnet-and-compass

This article discusses research by scientists into the use of magnetism to develop a shark repellent hook, which helps to keep sharks from being accidentally caught by commercial fishing operations.

http://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=119613&org=NSF

http://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=119613&org=NSF

Extract the iron from fortified breakfast cereal in this simple experiment.

http://www.nuffieldfoundation.org/practical-chemistry/extracting-iron-breakfast-cereal

http://www.nuffieldfoundation.org/practical-chemistry/extracting-iron-breakfast-cereal

Earth’s magentic field — and how it shifts over time — is the subject of this article.

http://science.nasa.gov/science-news/science-at-nasa/2003/29dec_magneticfield/

http://science.nasa.gov/science-news/science-at-nasa/2003/29dec_magneticfield/

Magnetic Force

More information on magnetism and current-carrying wires.

http://dev.physicslab.org/Document.aspx?doctype=3&filename=Magnetism_CurrentCarryingWires.xml

This in-depth lab includes a series of activities involving magnetic force on a current- carrying wire.

http://www.cns.cornell.edu/cipt/labs/lab9.html

http://www.cns.cornell.edu/cipt/labs/lab9.html

NASA’s Voyager probes are discovering all sorts of new things about the universe, including how the sun’s magnetic field can bunch and fold far from the star itself, causing “magnetic bubbles” to form.

http://science.nasa.gov/science-news/science-at-nasa/2011/09jun_bigsurprise/

http://science.nasa.gov/science-news/science-at-nasa/2011/09jun_bigsurprise/