The document is meant to act as a resource for elementary through middle school teachers, featuring a science activity connected to Indiana state standards with grade-appropriate science connections aimed toward 5th, 6th, 7th, and 8th grade.
These are four very different activities. Iron in Cereal is more about nutrition and just uses a magnet to get iron fillings; Visualizing Magnetic Fields in 3D gives an idea of the shape of the fields around magnets using iron fillings; Dropping Magnets and Making Fields uses the knowledge of magnetic fields to connect electron motion, electricity, and magnets; and Kitchen Magnet Detection goes back to magnetic fields by feeling the "bumps" of a magnet.
Stan, Patricia and Knight, Emily, "Educational Resources: Magnets" (2018). Chemistry Collaborative Scholarship (Faculty-Mentored). 3.