This lab activity in electricity, The Lemon Battery, was designed for Regular, Honors and AP Physics high school students. It contains two types of experiments that make students realize that learning electricity can be fun and very educational. Students will make six batteries using a lemon, three other fruits, vinegar, and the cleaning product Windex. They will find the power of each battery. In addition, they will construct a circuit in series containing three resistors, in which the power is