Gutnik, Martin J

Instructions for experiments illustrating the characteristics of a freshwater ecosystem, water pollution, and water purification.

Examines the limited supplies of fossil fuels left to us and discusses alternative sources of energy.

Describes experiments demonstrating how a green plant uses its cells and tissues to make food.

Explores the scientific, technological, and social background of the many environmental problems plaguing our air and atmosphere.

Uses experiments to explain how plants use carbon dioxide and water in conjunction with light to make food.

Explains the science of classification--the process of placing related objects into groups.

A collection of environmental science projects which demonstrate the delicate balance of ecological systems and how both people and nature can destroy this balance.

Explores the animals, plants, and people of Madagascar, the fourth-largest island in the world.