Oh my gosh... i can't believe i am doing this again but here i go. I am going to change my experiment once again. There. I've said it. I want to change it to my fist idea from my previous blog. The one about seeing which fruits conduct electricity.
Equipment : an orange, a potato, a lemon, a cucumber, a banana, a light bulb, a few aligator clips and two metal electrodes.
Method: Insert the two metal electrodes parallel to and about 1cm away from each other. Then connect one electrode to a light bulb with an aligator clip. Next connect the light bulb to a battery and the battery to the other electrode. Repeat these steps with the potato, lemon, banana and cucumber.
The independent variable is the fruit/vegetable that is included in the circuit.
The dependent variable is the whether or not the light bulb lights up or not.
The controlled variables are how far apart the two electrodes are situated, the type of battery being used and the light bulb being used.
Hopefully this experiment will get approved because i REALLY want to do it
waiting in hope...dharani
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