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Energy Flow in Ecosystems
There are 6 videos in this category and 37 videos in 3 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 10 - 18
752 Views:
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Through the process of photosynthesis, plants harness the sun's energy and in so doing make many forms of life -- including human life -- possible. What path does this energy follow, and how is it transferred from one type of organism to another? In ...this feature, adapted from Interactive NOVA: "Earth," learn why 400 pounds of corn can't be converted into a 400-pound cow.
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April 30, 2012 at 09:43 PM
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Not Right For WatchKnowLearn
Ages: 7 - 12
1221 Views:
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Through the process of photosynthesis, plants harness the sun's energy and in so doing make many forms of life -- including human life -- possible. What path does this energy follow, and how is it transferred from one type of organism to another? In ...this feature, adapted from Interactive NOVA: "Earth," learn why 400 pounds of corn can't be converted into a 400-pound cow.
[more]
August 29, 2010 at 11:44 AM
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Not Right For WatchKnowLearn
Ages: 9 - 15
541 Views:
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In this interactive activity from the American Museum of Natural History, explore representations of three habitats within Africa's Dzanga-Sangha rainforest. Follow clues that reveal how its resident animals, plants, and people depend on one another.... The challenge requires users to play "connect the dots" to identify feeding relationships, and highlights animal behaviors and natural resources within the ecosystem.
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April 25, 2012 at 09:57 PM
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Not Right For WatchKnowLearn
Ages: 17 - 18
475 Views:
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They can be small Do’s or big Do’s or just extraordinary Do’s. But when you listen to the story of Gerd Leonhard. In the past, companies worked on their own. But in the future the ego will have to be forgotten. The future for companies is to collabo...rate. Gerd Leonhard,Author and CEO of The Futures Agency. These speeches light a fire in your belly to go and Do your thing, your passion, the thing that sits in the back of your head each day, just waiting, and waiting for you to follow your heart. (21:43)
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April 27, 2012 at 05:40 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
118 Views:
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Hank describes the desperate need many organisms have for nutrients (specifically nitrogen and phosphorus) and how they go about getting them via the nitrogen and phosphorus cycles. (09:23)
January 2, 2013 at 08:24 PM
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Not Right For WatchKnowLearn
Ages: 3 - 8
742 Views:
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This animated interactive game, teaches the students about consumers, predators, omnivore, of, lions, snakes, and more. Students will learn how some animals eat other plants and animals to survive and create a food chain, with this interactive lesson... plan.The voice is quite computerized, but still suitable.(3:02)
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April 3, 2012 at 05:59 PM
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