CHAPTER I
INTRODUCTION

Background of the Study

With limited sources of electricity in the Philippines, we discerned that this problem needs attention or better yet solved. At present,
Mindanao today has been experiencing power shortage because of lack of hydroelectric energy for the power depends on the availability of Maria Cristina Falls’ water, which is also affected by weather conditions. In view of this, people from the place tend to find an alternative source of energy. We have found out that the fruit, santol (Sandoricum koetjape), contains citric acid that could produce electrical energy. At present, the Cottonfruit (Sandoricum koetjape) is an abundant fruit locally.
Statement of the Problem

The study aims to produce electrical energy with the use of an ordinary household Cottonfruit (Sandoricum koetjape) by making it as a battery.
Specifically, it seeks to answer the following questions:
1. How much volume of Cottonfruit (Sandoricum koetjape) is needed to light a 5V bulb? 10V?
2. Are there other chemical contents of Cottonfruit (Sandoricum koetjape) that could create electrical energy aside from citric acid?
If other citric fruits such as Orange (Citrus aurantium) and Calamansi (Citrofortunella microcarpa), could the product be more effective and conductive?
Significance of the Study The study aimed to create electrical energy from Cottonfruit (Sandoricum koetjape) Typically; cottonfruit is a common fruit in the Philippines. The result of the study yielded potent information deemed beneficial to the following: Community People. The outcome of the study will pave the way for them to be aware that Cottonfruit (Sandoricum koetjape) can produce electrical energy since blackouts are prone today and there are also places in this country wherein there is no electricity. Economy. The findings and outcome of the study will serve as great contribution in the field of engineering and agriculture. Future Researchers. The outcome and recommendations of the study will help them gather information and awareness about the problem being studied and if they would like to make further study, it will be of use to as a vital springboard for their venture.
Scope and Limitation The study deals primarily with the electrical activity of the Cottonfruit (Sandoricum koetjape) It only aimed to create electrical energy out of Cottonfruit (Sandoricum koetjape).
Hypotheses
Null Hypothesis
H0: There will be no significant effect in the conduction of electricity produced by a certain volume of Cottonfruit (Sandoricum koetjape) to light at least a 5-Watt bulb.
Alternative Hypothesis
H1: There will be a significant effect in the conduction of electricity produced by a certain volume Cottonfruit (Sandoricum koetjape) to light at least a 5-Watt bulb.
Definition of Terms
Cottonfruit. A sour fruit specifically when unripe. Its tree could produce up to 18,000 - 24,000 fruits per year.
Electricity. One of the many forms of electricity, which is often produced by the presence of charged particles (protons and electrons) and is one of the essential components to power many electrical devices and machines.
Conductivity. The ability a certain object to transfer electric current.
Electrode. A conductor, which serves as the entrance and exit of electricity in an object, substance, or region.
Electric current. Circulation of electricity.
Voltage. An electromotive force that is measured in volts.
Watt. The unit for measuring electrical power that is equivalent to one joule per second.

CHAPTER II
REVIEW OF RELATED LITERATURE
COTTONFRUIT
Kingdom: Plantae
Class: Magnoliopsida
Order: Sapindales
Family: Meliaaceae
Genus: Sandoricum
Species: Koetjape
Uses
Scientifically known as Sandoricum koetjape and commonly known as “santol”, the Cottonfruit is devoured in many ways such as: raw and plain or with spices added, cooked and candied or made into marmalade, cooked in coconut milk (with bits of pork and hot pepper) and served as a dish in Bicol, Philippines.
Its big lime to deep green leaves proposing occasional contrasting red leaves makes it a good shade tree.
In the field of medicine, it used as a mixture for baths to reduce fever, treatment for ringworms, diarrhea, and tonic after childbirth.

Potato Battery
Known as an electrochemical battery or cell, the potato battery is one example of electrochemical cell in which chemical energy can be converted by electron transfer. In this experiment, the zinc found in the nail reacts with the copper wire. If the zinc and copper ions touch, they would still react; however, this time they would only generate heat. The potato keeps the ions apart and the electron transfer has to be done in the copper wires of the circuit that ducts the enegy into the clock. (SOURCE:http://www.kidzworld.com/article/4726-how-potato-batteries-work)

CHAPTER III
METHODOLOGY
A. Sample Collection The cottonfruit (Sandoricum koetjape) samples were collected at Barangay San Juan, Surigao City. Each of the samples were washed with water and placed in separate containers at room temperature. On the other hand, instruments used in the experimentation, such as the wires, were bought in Visayan Marketing, a hardware store in Surigao City
B. Preparation of the Apparatuses Instruments used in the experimentation were carefully checked before the experimentation proper. The cottonfruit (Sandoricum koetjape) samples were also washed thoroughly.
C. Setting Up With all the materials (i.e. cottonfruit (Sandoricum koetjape), 2 short pieces of heavy copper wire, 2 common galvanized nails, 3 alligator clip/wire units, simple low-voltage LED clock) gathered, start making the set-up.
Start by getting a gadget or object that uses a battery of the smallest voltage possible and remember where its positive and negative terminals are then place the nails inside each of the cottonfruit (Sandoricum koetjape) samples. Next, insert a short piece of the copper wire into each sample, which needs to have the biggest distance as possible away from the nail. By using the alligator clip, connect the wire inserted earlier to the positive (+) terminal in the gadgetz’s battery compartment and do the same thing to its negative (-) terminal but this time, connect the wire to the second sample. The third alligator clip will serve as the connector of the first and second sample to the battery compartment of the gadget.