Fruits As Battery Essay Example for Free

Fruits As Battery EssayAdditional learningBatteries are devices that store chemical energy and convert it to electrical energy. Consisting of one or more galvanizing cells, batteries come in various size of its and forms and are integrated into most electronic and portable devices.Electrical latest is the flow of electrons (movement) of an electrical charge and is mea currentd using an ammeter. Solid conductive metals contain large nation of free electrons, which are bound to the metal lattice and move most randomly due to thermal energy. When two terminals of a voltage source (battery) are connected via a metal telegraph, the free electrons of the conductor drift toward the irresponsible terminal, making them the electrical current carrier within the conductor. Required materialsCitrus fruits, such(prenominal) as lemons, limes, grapefruits, or oranges. Copper nail, approximately 2 atomic number 49es in lengthGalvanized (zinc) nail, about 2 inches in lengthSmall colored or opaque light myelin with a 2 inch lead, such as a holiday LED light. demarcation that there needs to be large wire to connect to the nails. Electrical tape or Crocodile (aka gator) clip (optional)Micro Ammeter a measuring shaft implementd to measure the electric current in a circuit, can be found at your local Radio Shack store. (optional)Estimated Experiment TimeAbout 5 to 10 minutes piecemeal Procedure1. Prepare your fruit for the experiment by squeezing it on all sides with your hands. Make sure not to squeeze too tightly and break the skin The idea is to soften the fruit sufficiency so that the juice inside are flowing. 2. Insert your nails into the fruit, approximately 2 inches apart from one an another(prenominal). The ends (sharp tips) of the nails should be in the center of the fruit, but not touching one another. Be careful not to push up the nails through the opposite end of the fruit. 3. Remove the insulation around the bulb wires (the leads) so you can denoun ce the wire underneath. You need to remove enough insulation so you can wrap the exposed wire around the nails. 4. Take one of the exposed wires and wrap it around the galvanized (zinc) nail. If the wire keeps slipping off, use nigh electrical tape or gator clips to keep it attached. 5. Wrap the other end of the wire around the copper nail.6. When the second wire is attached to the copper nail, your bulb entrust light upNoteThe size of the light bulb will affect how brightly its lit. LED lights require the least summation of energy to light and thus are the best candidates for this experiment.If you have a Micro Ammeter, you can use it to compare the effectiveness of various fruits in relation to electrical current. If using a Micro Ammeter, live these steps 1. Connect one of the Micro Ammeters terminals to the copper nail and attach with a Crocodile clip. 2. Connect the other Micro Ammeters terminal to the galvanized plate and attach with a Crocodile clip. Try using different k inds of fruits and measure the differences in the midst of them. You may want to consider tomatoes (yes, they ARE fruit) as they have one of the highest pH levels of fruits, making them ameliorate for this experiment.ObservationDo you think another kind of fruit would work with this experiment? How about a vegetable? Which fruit has the best conductivity? Do you think moving thenails further apart will change the current? Do you think your fruit will continue to power the light bulb after a few hours? How about a few days? Do you think the size of the fruit would effect the voltage?ResultThe zinc nail is an active voice metal, which reacts with the acid in the fruit. The active ingredient in the fruit are positively charged ions. A transfer of electrons takes place betwixt the zinc nail and the acid from the fruit. The nails act as poles for the battery, one positive and one negative. Electrons travel from the positive pole to the negative pole via the light bulb wire (the conduc tor), generating enough electricity to light the bulb.