earth

A discussion of Earth, describing the atmosphere, hydrosphere, and geosphere, discussing the responsibility humans have for the planet, and looking at what people can do to protect the environment.

An illustrated introduction to earth science that teaches basic facts about the earth's layers.

Traces, in text and revolving illustrations, the creation of the earth and the development of plant and animal life.

Presents basic facts about our planet, discussing landforms, weather, atmosphere, rivers, and volcanoes.

"Read about when is it winter in North America. Why winter weather is cold, where do animals go in the winter, and what do people do in the winter."--Provided by publisher.

"Read about when summer begins, why do we have seasons, how do summer days help plants grow, and what farmers do in the summer"--Provided by publisher.

Read about what is spring, why do we have seasons, when does spring begin and what do animals and people do in spring.

Read about when fall begins, why leaves change color, and what animals do during this season.

Explores causes of both quick and slow changes to the Earth's surface, and examines the materials that make up the Earth.

Inside this volume you'll find the amazing answers to dozens of questions about outer space, nature, technology, and more.