American Heart Association
American Heart Association: Getting Healthy: Nutrition Center: Vegetarian Diets
Learn about different types of vegetarian diets, the correlation between heart health and vegetarianism, and foods that allow vegetarians and vegans to get essential nutrients in their daily diets.
TeachEngineering
Teach Engineering: Biodomes
Students explore the biosphere's environments and ecosystems, learning along the way about the plants, animals, resources and natural cycles of our planet. Over the course of lessons 2-6, students use their growing understanding of...