Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! A light beach ball floats on the water. A heavy rock sinks in the mud. Matter is all around us. But what makes a beach ball different from a rock? And what properties do we use to compare matter? Read this book to find out!

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! A light beach ball floats on the water. A heavy rock sinks in the mud. Matter is all around us. But what makes a beach ball different from a rock? And what properties do we use to compare matter? Read this book to find out!