The main purpose of our project is to determine whether there is enough energy stored in a fruit or a vegetable, specially is potato, lemon and apple, to power an LED light. The process to determine this is with the basic principles of electrochemical cells by using the juice of lemons, potatoes & an apple as the electrolyte placing small pieces of copper and steel into the fruits and vegetables. Tacking the alligators clips and connecting the fruits and vegetables with one another. Then measure the voltages that are produced and see if the voltages produced can light up an LED light.
Our results deduced that the more fruits and vegetables we had connected, the higher the voltage was when it was recorded; hence the LED lamp would shine brighter. Since each fruit/vegetable produced 1 voltage, a connected strand of each/all produced a higher level of energy, allowing the bulb to light up.
Classroom Example –
We took the time in class to work together with another group in order to hare what we had learned in our experiment, and show these students first hand what we had done. This time we conducted the experiment with 2 lemons, 1 apple, and 3 potatoes. We first used a red LED light, which lit up, but was hard to see. This led us to switch to a blue LED light, which showed up much better. As with our previous time doing the experiment, we found that the more fruits that were added to the circuit, the more light was generated. The other group were great participants and were definitely impressed that we did not need a battery pack, since in their experiment a battery pack as needed. Overall this was a fun experience and a great way to wrap up an interesting semester!
Doing the other group experiment-
As we had the opportunity to show another group our experiment, we were also able to learn about their experiment. Despite some technical difficulties involving spoiled play-dough, they were able to make some adjustments to their experiment and still follow through with conducting it. They used a battery pack, and lots of wires, in order to power an LED light, while measuring the voltage of the simple circuit. It was interesting to see the different voltages created through the 3 different resistors used. This group was a pleasure to work with and did an excellent job explaining their experiment, even with the last minute disruption of the spoiled play dough.
