Text and photographs look at igneous rocks. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
Learn how people can use glass wisely. This book is for children ages 5 to 7. Each title in the Reduce, Reuse, and Recycle series helps young readers understand the importance and responsibility of making less waste.
Follows the travels of English explorer Sir Walter Raleigh who led an expedition to found a colony in Roanoke in North Carolina and later explored South America.
Explains the grizzly bears decline due to human interaction and habitat loss. Readers will learn about the strategies put in place that help to recover this species from near extinction.