# Chapter 12 - Think and Explain: 49

A liter of water has more mass than a liter of ice.

#### Work Step by Step

Density = $\frac{mass}{volume}$ The larger-density material, for the same volume, has more mass. To take it to extremes, imagine a container of styrofoam vs. the same-size container of gold. The gold has more mass. This is discussed on page 230, in the Check Point.

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