Pre-Project Activities 

We used rods and connectors to build the base of the windmill kit. For the blades, we created them using an index card and wooden sticks. Additionally, we attached a cup at the end with a string to simulate the rotation of the tail magnet when constructing the actual windmill.

We wrap the coil around the mouth of the cup and cover the extra coil with tin foil. Then, we place a magnet suspended inside the cup. By using the protruding ends to connect the two terminals of the battery, we can observe the magnet. If the magnet begins to rotate, it indicates that the battery is still functional. This experiment illustrates the interaction between the magnetic field of the coil and the magnet.

A demonstration model of a motor was built by using a coil with its ends sanded to ensure good electrical conductivity. When current flowed through the coil, it interacted with the magnetic field, inducing a force on the coil that caused it to spin.