Dive into the world of matter with 'Will I Sink or Float? Explaining Mass, Volume, Density, and the Importance of S.I. Units.' This pivotal resource, crucial for the US STEM curriculum, guides grades 6-8 through the fascinating concepts of mass, volume, density, and the universal language of the International System of Units (S.I.). Understand the foundational principles that define how matter interacts in our universe, from the basics of mass and volume to the intricate balance of density. Perfect for educators, homeschooling parents, and librarians, this book is a must-have to illuminate young minds on the principles that shape our world. Add it to your educational toolkit today!