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Using the Concepts Associated with Providing Clean Drinking Water to Teach Science: An Interdisciplinary Approach Introducing students to the issues associated with safe drinking water is a great real-world, interdisciplinary way to teach science. View »
Hydroponics Using a nutrient-rich water solution and a unique, time-tested approach, you can successfully grow plants with no soil. In a hydroponic system, water does the work. Find out more about this fascinating method and the advantages that make it both appealing and effective. View »
Infographic: What Is the Electromagnetic Spectrum? You’re probably more familiar with the electromagnetic spectrum than you realize. In fact, you encounter it regularly every day. View »
Examples to Use When Teaching About Selection and Evolution: Fox Domestication and Poison Resistance in Rodents To make abstract science concepts more concrete, teachers often use real-life examples. But even classic examples can lose their appeal. Refresh your lessons on evolution and selection with 2 less well known examples. View »
Snakeheads Invade the United States Teach your students about the challenges nonnative species pose by focusing on a current example, the northern snakehead fish. Native to China, Russia, and Korea, this fish has established breeding populations in several states. Find out how this might have happened and what scientists are doing about it. View »
Urban Ecology Just because your school is in the middle of a city does not mean you cannot explore ecology! Learn about the differences between urban and non-urban ecology and some ways to incorporate this new knowledge into your classroom. View »
Environmental Health Concerns: Cyanobacteria and Cyanotoxins Cyanobacteria are ubiquitous throughout US waterways, and not all are benign. Introduce your students to environmental and human health concerns caused by cyanobacteria and cyanotoxins. View »
Using Interactive Case Studies to Meet the New Science Standards Learn about the benefits of using Interactive Case Studies to teach science concepts View »
Having Friends Over for Lunch: The Mutualism of Paramecium bursaria and Endosymbiotic Algae When you teach symbiosis and endosymbiotic theory, consider using Paramecium bursaria, a protist that forms a mutualistic relationship with algae. View »
Measuring pH: Indicators, Paper, and Meters Many activities require pH testing, including chemistry titrations, environmental science water quality testing, and biological processes labs. This article covers tools and techniques. View »
Getting a Handle on Variation of Traits This article is designed to help students and teachers think about the nature of various determinants underlying biological variation. View »
What Goes On Inside a Spectrophotometer? A spectrophotometer measures the amount of light absorbed or transmitted as it passes through a sample, such as a solution containing food dye. Use this article to cover the basics of how a spectrophotometer works. View »
Bioluminescence Explained Learn how bioluminescent organisms produce light, and explore the evolution behind this fascinating concept of biology. It’s more brilliant than you think . . . View »
Teaching About the Human Body Systems Are you ready to enhance your body systems curricula? Check out our free resources for teaching body systems. Pair them with models, dissection specimens and supplies, safety equipment, and more. View »