Properties of Materials

A rubber duck floats in the tub. A rock sinks to the bottom of a lake. Why do some objects float and others sink? Find out in this series about materials and their properties. Informative, at-level text and engaging photos help readers understand the differences between objects that sink and float.

A diamond is shiny. A brick wall is dull. Why are some objects shiny and others dull? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between shiny and dull objects.

A nail is hard. A cotton ball is soft. Why are some objects hard and others soft? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between hard and soft materials.

A pencil is stiff. A rubber band is bendable. Why are some objects stiff and others bendable? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between stiff and bendable objects.

A piece of silk is smooth. Tree bark is rough. Why are some objects smooth and others rough? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between smooth and rough objects.

A bowling ball is heavy. A feather is light. Why are some items heavy and others light? Find out in this series about materials and their properties. Informative, at-level text and engaging photographs help readers understand the differences between heavy and light materials.