How Big? How Heavy? How Dense?: A Look at Matter

Jennifer Boothroyd

ม.ค. 2017 · Lerner · บรรยายโดย Intuitive

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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!