My electric circuit
Wen we use an positive energy and negative energy they can move the ventilator.
Experiment of electricity (with lemons):
Elements:
2 lemons
Knife
4 coins
4 screws
Copper Cable
3 clamps
Insert, in a lemon, two objects facts of different metals, for example a screw galvanized a currency copper. these two objects work as electrodes, causing an electrochemical reaction-mediated juice lemon generated by a small amount of power.
