Internet Field Trip: Magnetic Force Internet Links National Museum of Science and Technology: Background Information for Magnets Find answers to many questions on magnets. http://www.science-tech.nmstc.ca/english/schoolzone/Info_Magnets.cfm Exploratorium: Magnetic Lines of Force Make a magnetic field visible. http://www.exploratorium.edu/snacks/magnetic_lines.html University of Michigan: Magnetism Overview Learn basic facts about the force of magnetism. http://www.windows.ucar.edu/cgi-bin/tour_def?link=/physical_science/magnetism/magnetism.html&sw=false&edu=elem&cdp=/windows3.html&cd=false&fr=f&frp=/windows3.html Internet Field Trip: Earth's Magnetic Field Internet Links