This document contains questions about magnetism and magnetic fields, including what is needed to make an electromagnet, which metals can become magnets, what part of the atom is responsible for magnetism, why the Earth behaves like a huge magnet, what happens when a magnet is cut in half, what MRI is used for, which planets have magnetic fields, why not all planets have magnetic fields, and what causes magnetism. It also includes terms related to magnetism and provides a link to a magnetism webquest for further information.