Read the excerpt from "Light Bulb Moment."Jake rolled his eyes and pointed to his T-shirt displaying the chemical structure of sugar. Jake Barley loved science, and he wasn’t afraid to show it. “Do you mean to tell me that after six years of best friendship, you haven’t caught on that science fair weekend is basically my favorite holiday? I hope that you’re a lot quicker in your classes, or I may have to move on to junior high without you.”