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 te
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 photo
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 phot
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
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
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 photograph
Fields of wheat, corn, potatoes, and more take center stage in Plants on the Farm. Full-color photos and leveled text work together to introduce beginning readers to common crops, how those crops grow
