The 'superweapon' that almost won Hitler the war!

How was magnetism responsible for the destruction of dozens of ships during World War II? In this lesson, your students will explore the concepts of magnetic fields and forces using the example of World War II magnetic mines. With the help of a magnetometer, a smartphone, and a sensor app, students will investigate what factors affect the strength of a magnetic field. Then they will use their knowledge to try to discover the location of hidden "mines" and investigate how they can cloak a… Read more