Penetration of magnetic Effects

Concept Overview:

Magnetic effects can penetrate most materials.

Lecturer Procedure

Step(s) to Follow

1. Spread nails on the table.
2. Use magnet to pick up the nails.
3. Note its ability at accomplishing this task.
4. Place a sheet of one of the materials over the pole of the magnet.
5. Bring magnet near the nails.
6. Repeat with the other materials.

Expected Result

The magnet will pick up about as many nails as without the sheet on it, except in the case of iron, which will prevent nails from being picked up.