Magnetism arises at the subatomic level but can influence macroscopic objects. Ferromagnetic materials—such as iron, cobalt, and nickel—contain atomic domains that align to create a net magnetic field (NIST, 2023). Everyday items like nails, screws, tools, and kitchen utensils are typically ferromagnetic and can be magnetized by exposing them to an external magnetic field.
Stroke a magnet in one direction along the portion of the object you wish to magnetize. This aligns the material’s domains.
Continue rubbing in the same direction. Avoid reversing the stroke; doing so will misalign domains and weaken the field.
Test the magnet’s strength with small ferrous items such as paper clips. Attraction indicates successful magnetization.
Align the object with the Earth’s magnetic north-south axis. A compass can help determine this direction.
Repeatedly strike the object with a hammer. The impact dislodges domain alignment, allowing the material to realign with the Earth’s field.
Test the magnet with paper clips. If the pull is weak, strike again. For stronger results, hold a powerful magnet near the object while striking; domains will align to that field instead of the Earth’s.
Magnetize objects by rubbing or striking them in a consistent direction; the longer and stronger the exposure to a magnetic field, the greater the magnetization.
