5p and 10p coins made after January 2012 are magnetic. This is because 5p and 10p coins used to be made out of cupro-nickel, but this was changed to nickel-plated steel. Steel contains iron ...

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 ...

It too is composed mostly of iron, plus substantial amounts of sulfur and nickel. It creates the Earth's magnetic field and is about 1,400 miles (2,300 kilometers) thick. The next layer is the mantle.