First Step Nonfiction: What Earth is Made Of

Earth is made of different things-gases, rocks, soil, and water. Most of Earth is made of rock. Rocks are made of many different things and can be many different shapes, sizes, and colors. From statues to houses to roads, Rocks illustrates the many ways that rocks can be used.

Earth is made of different things-gases, rocks, soil, and water. A gas is something that can change shape and size. Gases helps beginning readers understand this basic element by looking at examples such as air and steam; the book also discusses how gases help protect the Earth.

Earth is made of different things-gases, rocks, soil, and water. Soil is the top layer of the ground. Made up of tiny rocks and small pieces of plants and animals, soil helps plants grow and provides a home to insects and worms.