Connect the ends of the wire to a small LED; if you spin the magnet fast enough, the LED will light up. 3. Harness Natural Resources (Renewable Energy) You can build "pieces" that use nature to spin a generator:
Wrap insulated copper wire around a tube multiple times to form a coil. Spin a strong neodymium magnet inside or near that coil. Electricidad
Build a small water wheel from recycled bottles to spin a motor. Connect the ends of the wire to a