Annenberg Foundation
Annenberg Learner: The Control a Haber Bosch Ammonia Plant
An activity where students try to optimize profits by producing the largest daily output of ammonia by simulating the Haber-Bosch process. Students will use their knowledge of equilibrium reactions and the effects of variables like...
TeachEngineering
Teach Engineering: Pea Soup Ponds
In this activity, students will learn how water can be polluted by algal blooms. They will grow algae with different concentrations of fertilizer or nutrients and analyze their results as environmental engineers working to protect a...
University of Illinois
University of Illinois: Illinois State Water Survey: Nitrogen Cycle: Human Impact on the Nitrogen Cycle
An overview of the impact of human activities on the environment and how those actions effect the nitrogen cycle.
Science Education Resource Center at Carleton College
Serc: Lab 7: Nitrates and Phosphates and Algae, Oh My!
A lab experiment, in a series of experiments, that investigates fisheries. In this lab, students test the effects of fertilizers and other pollutants on a model ecosystem. Students also examine 2 years of ocean color (chlorophyll...
TeachEngineering
Teach Engineering: You're the Expert
Student teams learn about and devise technical presentations on four reproductive technology topics pregnancy ultrasound, amniocentesis, in-vitro fertilization or labor anesthetics. Each team acts as a panel of engineers asked to make a...
Food and Agricultural Organization of the United Nations
Fao: Discovering Water Re Use
In some part of the world there is not enough fresh water for every use. If things are done differently water re-use can be very effective. Learn here about ways we can change the world. Wastewater, if properly treated can be a resource...
Biology Pages
Kimball's Biology Pages: Self Incompatibility: How Plants Avoid Inbreeding
Since evolution favors genetic variability what prevents pollen from fertilizing its own eggs? This effective site presents answers to this question.