By Kaitlyn Yeager | Updated Mar 24, 2022

Iron is one of the three basic ferromagnetic metals that can be magnetized. To create a permanent magnet, an iron rod must be heated above 1,418 °F (771 °C), a process that requires specialized equipment. However, you can easily generate a temporary magnet at home using simple household items. This safe, hands‑on activity is perfect for science projects or classroom demonstrations.

Magnetizing the Rod

Step 1 – Identify Poles

Check the magnet for its north (N) and south (S) poles. Polarity is not essential for strength but helps you understand magnetic behavior.

Step 2 – Choose a Pole

Select which pole you want to use. This choice is purely for convenience and does not affect the resulting magnetic force.

Step 3 – Make Contact

Hold the chosen pole against one end of the iron rod, ensuring only that pole touches the metal.

Step 4 – Stroke the Rod

Starting at the contact point, rub the magnet in a single, continuous motion along the length of the rod.

Step 5 – Build Strength

Continue stroking until the rod exhibits the desired magnetism. Test the rod periodically by bringing a paper clip close to its surface.

Things Needed

• Iron rod (approximately 6‑8 inches long)
• Large bar magnet (at least 1 inch in diameter)