PBS Learning Media has some terrific resources about magnets and magnetism.
- For younger students, learn about magnets from The Cat In the Hat and Nature Cat.
- Learn how to build an electromagnet from the scientists at Ready Jet Go.
- Build a magnetic-field detector with the kids from Design Squad and use it to find hidden magnets, similar to the way NASA uses magnetometers to learn more about Mars.
- Explore magnets and try out magnetic experiments with the Curious Crew.
- Use the principles of electromagnetism to build an electric train.
- Discover the earth's magnetic shield and see amazing photos in this video from NOVA.