4.1 · Simple magnetism and magnetic fieldsLesson 1 of 9Free preview
Magnets and magnetic materials
Every magnet has a north and a south pole. Like poles repel, unlike poles attract, and only some metals are magnetic.
4.1 · Simple magnetism and magnetic fieldsLesson 1 of 9Free preview
Every magnet has a north and a south pole. Like poles repel, unlike poles attract, and only some metals are magnetic.