Katz Cooper, Sharon

An introduction to compost heaps that explains how they are made, what types of insects live in them, and why they are beneficial.

An introduction to the periodic table that provides a brief history and explores the elements, how they are grouped, and their relationship with one another. Includes a glossary, trivia, and a list of resources.

Simple text and photos explore what rocks are made of, how they are formed, where they are found, and how humans use them.

Simple text and photos explore what plants need in order to grow, how humans use them, who studies them, and why paper should be recycled.

Simple text and photos explore what coal, oil, and gas are, how they are found and used, who studies them, and why they must be conserved.

Simple text and photos explore air's components; its use by humans, animals, and plants; its study by scientists; and air pollution. Includes an experiment.

An alphabetical exploration of the people, geography, animals, plants, history, and culture of Costa Rica.

Using questions and answers, this book introduces water as a natural resource, including information on where it is found and how we use it.

Using questions and answers, this book introduces fossils of many different plants and animals as Earth's resources, including information on where we find them and what we do with them.

Simple text and photos explore soil's components, its uses by plants and animals, and erosion. Includes an experiment.