Books like Ups and Downs: A Book About Floating and Sinking

This book teaching some basics for submersion and floating is an incredible basis for teaching about density and entertaining for a variety of ages. While the plot line and the educational aspect of this book is mingled in a way that does not seem to mesh well with a very quick introduction, climax, and conclusion. These consist of introducing an antagonist, seeing that she is a fraud, then letting the fake monster float to the surface with educational lessons between each of these small points of plot. Overall still an incredible book that stands to the test of time as a way to inspire youth into studying science.