The metal spoon will be magnetic if it is stainless steel but not magnetic if it is aluminum. The penny, nickel, and aluminum foil ball are not magnetic. Of all the materials in the world, only metals ...

Magnetic materials are always made of metal, but not all metals are magnetic. Iron is magnetic, so any metal with iron in it will be attracted to a magnet. Steel contains iron, so a steel ...

The Earth’s magnetic field is why we are ... At the center of the Earth is a solid hot core, and all around it there is a liquid outer core of molten metal. The inner core is so hot that it ...

Besides the geographic North Pole — an area that some children worldwide recognize as the home of Santa and all ... a magnetic North Pole. These magnetic poles are caused by a mix of metals ...