This collection of science activities is designed to supplement traditional science education by encompassing an issues-based approach to helping students develop scientific and technological literacy. Each unit can be used within an existing teaching sequence and includes an introduction specifying scientific issues and educational objectives, a student guide, and a teacher's guide. Units include: (1) "Should We Construct a Waste Power Plant in Our Town?"; (2) "How to Reduce Electrical Energy Consumption"; (3) "How Safe Is Our Drinking Water?"; (4) "Selecting a Suitable Area for Rice Cultivation"; (5) "The Problem of Plastics Waste--What Is the Solution?"; (6) "Should We Convert Farmland into a Housing Estate?"; (7) "Improving the Construction of Ubonrat Dam"; (8) "How to Manage Household Waste"; (9) "Using Iodized Salt to Prevent Goiter"; (10) "Is Fluoridation of Water Useful for Preventing Tooth Decay?"; and (11) "Why Is the River Dying? Helping Living Things to Survive in a Stream." (WRM)