In this lesson, from PBS' Secrets of the Ocean Realm series, students learn how cold and warm water behave in the marine environment due to convection curren... More ...

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Smoggy Weather (6th Grade - 12th Grade)

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In this segment from PBS's Online NewsHour, Jim Lehrer discusses the causes of, solutions to, and health risks from a heavy, fire-related smog covering Indon... More ...

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Photos of Luminous Organisms (3rd Grade - 12th Grade)

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This resource, from the University of California-Santa Barbara's Biological Sciences Department, features photographs of bioluminescent organisms. Users can ... More ...

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Manatees (4th Grade - 12th Grade)

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This Sea World/Busch Gardens resource provides in-depth information on manatees. Students can learn about their habitat and distribution, physical characteri... More ...

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Chesapeake and Coastal Bay Life (6th Grade - 12th Grade)

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The Chesapeake and Coastal Bay Life Web site is an instructional resource on submerged aquatic vegetation and other coastal aquatic organisms provided by the... More ...

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Mammoth Showcase (4th Grade - 12th Grade)

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On this page, students can look at photographs of mammoth fossils on display at the Paleontological Museum of the University of Oslo in Norway. This resource... More ...

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Penguins (4th Grade - 12th Grade)

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This resource, from SeaWorld, provides students with in-depth information about a variety of species of penguins. Information is included on their scientific... More ...

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Savage Earth: Hell's Crust - Our Everchanging Planet (6th Grade - 12th Grade)

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This PBS resource is a companion Web site to the ""Savage Earth"" series, which was broadcast on PBS in July 1998. It explores the world of plate tectonics. ... More ...

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Rising Seas: A View from New York City (9th Grade - 12th Grade)

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In this Goddard Institute for Space Studies ""Science Brief,"" read about the predicted effects of sea level rise on the New York City area. Researchers pred... More ...

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MESSENGER Webcam (3rd Grade - 12th Grade)

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From March 2003 to July 2004, the MESSENGER Webcam let us peek in on the progress of the spacecraft and the team that guided it to space. Updating once a min... More ...

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