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

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

From the Series Lightning Bolt Books ® — Exploring Physical Science

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… Read More →

  • Lexile: 450
  • Dewey: 530
  • Copyright: 2011