The word for magnets not sticking is "nonmagnetic." Materials that are nonmagnetic do not attract or repel magnets and are not influenced by magnetic fields.
Aluminum is nonmagnetic because it does not have magnetic properties. This means that aluminum is not attracted to magnets and does not generate a magnetic field itself.
Jack's observation suggests that the door of his refrigerator is likely made of a nonmagnetic material such as aluminum or stainless steel, which do not attract magnets. Magnetic materials, such as iron or steel, are needed for magnets to stick.
Some do and some don't
Not to pure tin. Magnets stick to things with iron in them.
Steel and tin are generally magnetic, meaning they are attracted to magnets. Zinc, on the other hand, is not magnetic and does not stick to magnets.
egg beater,trucks,cars,clocks and tin openers
Gold is non-magnetic. This means it is not attracted to magnets and does not have magnetic properties.
Some non-magnetic metals: aluminium, copper, lead, tin, titanium, zinc, brass, bronze, gold, and silver
Magnets attract magnetic materials such as iron. Magnets either attract or repel other magnets depending on the polarity. Magnets repel diamagnetic materials. Most diamagnetic materials (bismuth, diamond, graphite, silver) are only weakly repelled. Super conductors are strongly diamagnetic, and are more strongly repelled.
Tin is not attracted to magnets because it is considered non-magnetic. Tin is a diamagnetic material, which means it creates a weak magnetic field in opposition to an external magnetic field, causing it to be repelled rather than attracted.
Aluminium is nonmagnetic.