According to Archimedes' Law. Why do objects float?

In this book, Archimedes' law is explained in an easy and accessible way. Why do some objects float while others sink? What is the density of water? How does saltwater differ from freshwater? With toys and items that can be found in every home, the child will conduct simple experiments and get answers to some questions about physics. All experiments in the book are accompanied by brief and clear explanations.