Our ancestors noticed that certain rocks were attracted to each other. They also noticed that this force could be transferred onto certain metallic objects! This video is a quick demonstration of this discovery. [1:08]

This video demonstrates the process of making a compass: How would you know which way is north if you had no reference? Can the direction of stroke alone tell you this? Are you sure? [1:00]

This video demonstrates the process of making a compass: Does the direction in which we stroke the needle determine the final orientation? [1:13]

This video demonstrates making a compass: does it matter if we stroke the needle with the North vs. South pole of the magnet? Why? [1:06]