Potato Clock

Electricity is flow of electrons and protons

Materials: 2 potatoes, a plate, Three 8″ Pieces of Insulated Copper Wire(with 2” of insulation removed), 2 pennies, 2 common galvanized nails, 1 digital alarm clock,

Procedure:

1. Cut a potato in half and put the two halves on a plate so they stand on their flat ends.
2. Wrap the end of one piece of wire around a galvanized nail and wrap the end of a second piece of wire around a penny.
3. Stick the nail and penny into one half of the potato so that they’re not touching each other.
4. Wrap the third piece of wire around the other penny and put it into the other half of the potato.
5. Put the other nail into the second half of the potato, but this nail should not have wire wrapped around it.
6. Connect the wire from the penny on the first half of the potato to the nail that has no wire on it in the second half of the potato.
7. Touch the free ends of the wires to the wires coming out of the digital clock, get power through the clock.

Kids will learn about electricity