For every kid who really wants to know—and for every exasperated parent who simply doesn't know—here is a lively omnium-gatherum of explanations to the most frequently asked questions about our world, from "Why do stars twinkle?"

Science Book Kitchen - cover worn

Science Factory is a series that introduces the young reader to practical application and experimentation using a series of carefully planned projects that can be readily accomplished. Each project addresses and explains a key scientific principle.