Goo, volcanoes, candy, fake blood--what more could young scientists want in a book of experiments? Presented by Scientific American, this volume celebrates the fun of biology, chemistry, and physics for some of the most fun experiments yet! Each engaging project begins with background information about the science concepts at work before clear, step-by-step instructions and thoughtful questions guide readers through the project and in making scientific observations. Science fair project ideas are found throughout, as well as an explanation of the scientific method.