This illustrated introduction to geology offers young readers insights into everyday signs of our constantly changing environment. Fascinating subjects include

Learn about the characteristics, origins, formation, and uses of rivers.

Earth is changing every day. Erosion makes giant mountains smaller and rivers wider, but it happens so slowly most people don't even notice. Do you know what er

Features lessons and activities suitable for Primary (Grades 1-2, ages 6-8), Junior (Grades 3-4, ages 8-10), Intermediate (Grades 5-6, ages 10-12); many interme

A discussion of sedimentary rocks, describing the types of sedimentary rocks, the natural forces that contribute to their formation, how they are used, and what