National Geographic
National Geographic: Programs: Chesapeake Bay Water Quality Project
A project-based collaborative unit of study that teaches students about watershed health using real-time geospatial technology. Students engage in outdoor field experiences while using twenty-first century learning skills.
TeachEngineering
Teach Engineering: Who's Hitchhiking in Your Food?
How can you tell if harmful bacteria are growing in your food? Students learn to culture bacteria in order to examine ground meat and bagged salad samples, looking for common foodborne bacteria such as E. coli or salmonella. After 2-7...
TeachEngineering
Teach Engineering: Measuring Noise Pollution
Through investigating the nature, sources and level of noise produced in their environment, students are introduced to the concept of noise pollution. They learn about the undesirable and disturbing effects of noise and the resulting...
TeachEngineering
Teach Engineering: Saving a Life: Heart Valve Replacement
Students use their knowledge about how healthy heart valves function to design, construct and implant prototype replacement mitral valves for hypothetical patients' hearts. Building on what they learned in the associated lesson about...
TeachEngineering
Teach Engineering: Red Cabbage Chemistry
Students take advantage of the natural ability of red cabbage juice to perform as a pH indicator to test the pH of seven common household liquids. Then they evaluate the accuracy of the red cabbage indicator, by testing the pH of the...