Water Ecology - Project Ecology Author:Jennifer Cochrane This activity-based series provides an introduction to the subject of the relationship between living things and their environment. The series examines nature's own cycle of changes, and each book covers a particular aspect of the living environment and considers the phenomena which makes life possible. This study of water ecology contains many ... more »simple experiments which demonstrate principles described in the text. Most of the experiments are situated out of doors, enabling young readers to combine learning and enjoyment.« less