This experiment demonstrates the reduction of inorganic sulfate to sulfide in the pore water of estuarine muds. Procedures involve the incubation of mud samples for varying amounts of time followed by gravimetric determination. (Author/SA)

Students need a wide range of experiences in considering the biological, social, economic, and psychological aspects of crowding on their lives and on their community. (DF)

Reports on four experiments and/or activities that were used to stimulate student interest in environmental science. Makes the case that varying classroom activities in the environmental science classroom makes the teaching and learning experience more alive and vital to both instructor and student. (Author/MM)

Urges the use of the immediate environment of the school to serve as a focus and a medium to help plan activities and experiments in the different subject areas of science, and in the area of environment. (GA)

Describes use of laboratory techniques for systematic study of river pollution. Detailed instructions are included. (PS)

What do plants require in order to survive? In All About Caring for Plants, join young plant enthusiasts as they investigate what plants need to grow from seedlings to healthy adult plants. Discover the basic necessities of a variety of plants, including sunlight, water, appropriate temperature and proper nutrients. Learn how to provide the proper…

Plants provide oxygen, food, shelter, medicine and more for all animals, including humans. In fact, people depend on plants for their very survival just as plants rely on animals! In All About Plant & Animal Interdependency, join aspiring botanists as they discover how plants and animals interrelate. Learn about the constant exchange of gases…

Plants can survive in even the harshest of environments, from the freezing Arctic to the arid desert. In All About Plant Adaptation, join young plant lovers as they uncover some of the amazing ways that plants have adapted over millions of years enabling them to survive almost anywhere on Earth. Discover how some plants living in cold, arctic…

A major contributor to our understanding of the adaptation of all organisms to the physical environment is physiological ecology. Described here is an inexpensive, reliable and simple experiment to aid in helping students to understand better the acclimation process. (ZWH)

This teacher's guide on acid rain is divided into three study areas to explain: (1) what causes acid rain; (2) what problems acid rain has created; and (3) what teachers and students can do to help combat acid rain. Instructions for activities within the study areas include suggested grade levels, objectives, materials needed, and directions for…

This book helps teachers fulfill curriculum requirements by building both science content and process skills through hands-on exploration. Ten broad subject areas are covered: (1) Discovering Science, (2) Matter and Energy, (3) Humans, (4) The Environment, (5) Rocks, (6) Plants, (7) Living Creatures, (8) Weather, (9) The Heavens, and (10) Applying…

Describes a two-quarter chemistry course designed to enable civil engineers to perform water analysis studies. (PB)