Magnetism

Dr. Forrester introduces the concept of magnetism, explaining how compasses work by aligning with Earth's magnetic field. He discusses the uses of permanent and electromagnets in everyday items like motors and speakers. The video covers materials that can be magnetized, such as iron and nickel, and demonstrates magnetic properties through experiments. Dr. Forrester illustrates how magnetic fields interact with objects and encourages viewers to explore magnetism at home.

What new insight or understanding did you gain from this video?