Lessons on the Lake
Louisiana’s Lake Pontchartrain Basin is home to 1.5 million people and an estuary ecosystem with enormous biodiversity. Activities in the educator’s guide help students in grades 5-12 gain an understanding and appreciation of the Basin and teaches them the skills to identify environmental concerns, make changes, and solve problems.
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Ballistic Pendulum
This lesson builds upon the previous two (Newton's Second Law and the First Law of Thermodynamics) by explaining that conservation of energy is not perfectly observed, in that energy is lost as it is transferred from kinetic to potential, and vice-versa.
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High School Environmental Center
This is a portal to environmental resources. It organizes sites by topics: air pollution, climate change, global warming; conservation of energy, soil, and water; coral reefs, forests, watersheds, and other ecosystems; drinking water, waste water, ground water; asthma, lead, pesticides, sun protection, and other health issues; waste and recycling; and local data and maps.
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Ethical Dimensions in Paediatric Neurology: A Look into the Future
Les professionnels de la santé et les familles pour qui des enfants qui participent à la recherche en génétique ou qui nécessitent des services génétiques spécialisés, y compris, le dépistage génétique, seront confrontés à des interrogations non seulement médicales, mais sociales, éthiques et juridiques liées à la génétique en neurologie pédiatrique. Les enfants se retrouvent souvent au centre d’innovations dans le cadre de recherches en génétique et leurs besoins uniqu
Author(s): Avard, Denise,Knoppers, Bartha Maria

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Geology of the National Parks
Our four goals for the course are: 1) To help you become better-informed citizens on topics that may affect you in the future such as:  groundwater pollution, biodiversity, volcanic hazards, etc., 2) To demonstrate what is and is not believable about science--those subjects on which scientists are usually correct versus those on which scientists have no special expertise., 3) To give you enough geological background that you will get more out of your next visit to a national park, and 4) To sho
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Science in Focus: Energy
Explore the notion of "conservation of energy" — the idea that energy can neither be created nor destroyed.,Students in an elementary school classroom examine apples that were dried in solar cookers that they made out of aluminum foil and cardboard. They also have tea that was brewed in a jar that sat out in the sun.
Author(s): Harvard-Smithsonian Center for Astrophysics

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Rare, Endangered, and Vulnerable Plants of the Republic of Georgia
Because of its large number of endemic species and rapid rate of habitat destruction, the Republic of Georgia is a biodiversity hot spot. In collaboration with the Missouri Botanical Garden, the Institute of Botany and the Botanical Garden of the Georgian Academy of Sciences has compiled this list of 1200 at-risk species, arranged alphabetically by family. Information on habitat and geographic distribution is included for all species, and images are included for some.
Author(s): Asieshvili, L.,Shulkina, T.,Eristavi, M.

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Internet Scout Project
From National Geographic, this WildWorld -- Sights and Sounds website offers visitors an immersion experience in "some of the world's most distinctive ecoregions through audio, video, photos, interviews, conservation tips, and more." The eight ecoregions include the Bering Sea, Eastern Himalayan Broadleaf and Conifer Forests, Amazon River and Flooded Forest, and Mesoamerican Reef -- just to name a few. Separate ecoregion sites provide a map with links allowing visitors to connect to clear photos
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Internet Scout Project
The Natural Resources Conservation Service provides an array of materials to assist people with their understanding of soils. Through an online presentation, users can learn ten key points about soil characteristics and their importance. Teachers and students can find many fun activities including soil erosion and particle size demonstrations and soil songs. The website provides a great introduction to soil formation and classification. Those contemplating a career in soil science can discover t
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Science In Focus: Energy
Interview with Dr. Sallie Baliunas about forms of energy including springs and magnets.,In this segment, Dr. Sallie Baliunas explains the energy transfers involved in pressing down and releasing a spring. She explains that potential energy gained from compressing the spring is changed into energy of motion, heat, friction, and sound. She explains that if we could measure with great accuracy, we could account for all the energy that appears to be lost. She goes on to state the law of conservat
Author(s): Harvard-Smithsonian Center for Astrophysics

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Natural Philosophy into Science: from the fall of the Roman Empire to the 17th Century

Authors: 
Emeritus Professor David Wolfe