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    Displaying 1241-1260 of 1289 resources
    • Thumb image for DNA Tests Show African Elephants Are Two SpeciesResource Type: Website / HyperLink

      DNA Tests Show African Elephants Are Two Species

      Grades: 3 to 12
      Subjects: American Democracy, History-Social Science, Life Sciences, Science
      In this National Geographic News article, read about the discovery that African forest and savanna elephants are actually two di...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Watching Nature Take Its Course: Celebrating Important Evolutionary Milestones in the Tree of LifeResource Type: Website / HyperLink

      Watching Nature Take Its Course: Celebrating Important Evolutionary Milestones in the Tree of Life

      Grades: 6 to 12
      Subjects: Reading Comprehension, Life Sciences, Science, English-Language Arts
      In this lesson, from the New York Times Learning Network, students compare physical features among organisms and understand the ...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Oceans Found to Absorb Half of All Man-Made Carbon DioxideResource Type: Website / HyperLink

      Oceans Found to Absorb Half of All Man-Made Carbon Dioxide

      Grades: 3 to 12
      Subjects: Geography, American Democracy, Earth & Space Science, History-Social Science, Science
      In this National Geographic News article, read about two new studies that suggest that around half of all carbon dioxide produce...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Whaling Nations Blame Whales for Fish DeclinesResource Type: Website / HyperLink

      Whaling Nations Blame Whales for Fish Declines

      Grades: 3 to 12
      Subjects: Geography, American Democracy, History-Social Science, Life Sciences, Science
      In this National Geographic News article, read about the controversy over whales role in declining fisheries around the globe. ...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Exposing the True Nature of ChocolateResource Type: Website / HyperLink

      Exposing the True Nature of Chocolate

      Grades: 3 to 12
      Subjects: Ecology & Ecosystems, Geography, History-Social Science, Life Sciences, Science
      In this article, from the National Wildlife Federation Web site, author Michael Lipske explains that as rain forests are cleared...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Frog Extinctions Linked to Global WarmingResource Type: Website / HyperLink

      Frog Extinctions Linked to Global Warming

      Grades: 3 to 12
      Subjects: Ecology & Ecosystems, Geography, American Democracy, History-Social Science and 2 additional..
      In this National Geographic News article, read about a study linking global warming to a die-off of harlequin frog species in Ce...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Warming May Cause Widespread Water Shortages, Studies SayResource Type: Website / HyperLink

      Warming May Cause Widespread Water Shortages, Studies Say

      Grades: 3 to 12
      Subjects: Ecology & Ecosystems, Geography, American Democracy, History-Social Science and 2 additional..
      In this National Geographic News article, read about how global warming may lead to water shortages in regions that depend on ru...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Humans Put Squeeze on Ancient Pronghorn MigrationResource Type: Website / HyperLink

      Humans Put Squeeze on Ancient Pronghorn Migration

      Grades: 3 to 12
      Subjects: Ecology & Ecosystems, Geography, American Democracy, History-Social Science and 2 additional..
      In this National Geographic News article, read about changes in the migration routes of the Yellowstone pronghorn. Using GPS to ...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Triage for Tigers?Resource Type: Website / HyperLink

      Triage for Tigers?

      Grades: 9 to 12
      Subjects: Ecology & Ecosystems, Geography, American Democracy, History-Social Science and 2 additional..
      This National Geographic Geoguide lesson will show teachers how to have their students explore ways that people can help protect...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for The American Experience: Meltdown at Three Mile IslandResource Type: Website / HyperLink

      The American Experience: Meltdown at Three Mile Island

      Grades: 9 to 12
      Subjects: Career & Technical Ed, Ecology & Ecosystems, Arts, Media, & Entertainment, Life Sciences and 2 additional..
      In 1979, a reactor at the Three Mile Island nuclear power facility near Harrisburg, Pennsylvania suddenly overheated, releasing ...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Environmental Inquiry Resource Type: Website / HyperLink

      Environmental Inquiry

      Grades: 6 to 12
      Subjects: Ecology & Ecosystems, Life Sciences, Science
      This Web site from Cornell University supports teaching and learning about the environmental sciences through teacher education,...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Popular Groups on the Tree of LifeResource Type: Website / HyperLink

      Popular Groups on the Tree of Life

      Grades: 3 to 12
      Subjects: Life Sciences, Science
      This page, part of the Tree of Life Web Project, features information on a variety of animal, insect, and plant groups. This res...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Causes of Rainforest DestructionResource Type: Website / HyperLink

      Causes of Rainforest Destruction

      Grades: PS/Pre-K to 12
      Subjects: Ecology & Ecosystems, Life Sciences, Science
      This resource, from The Rainforest Information Centre, features a discussion about the causes of rainforest destruction. Immedia...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Freshwater EcosystemsResource Type: Website / HyperLink

      Freshwater Ecosystems

      Grades: PS/Pre-K to 12
      Subjects: Ecology & Ecosystems, Life Sciences, Science
      This resource, from the USGS, features information about freshwater marshes. On this page, users will also find information abou...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Membrane Permeability With BeetsResource Type: Website / HyperLink

      Membrane Permeability With Beets

      Grades: 9 to 12
      Subjects: Life Sciences, Science
      In this Access Excellence activity, students explore membrane permeability. They use water-washed beet cubes and three alcohols ...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Tiny Bugs Enlisted to Fight Invading Water HyacinthsResource Type: Website / HyperLink

      Tiny Bugs Enlisted to Fight Invading Water Hyacinths

      Grades: 3 to 12
      Subjects: Geography, American Democracy, History-Social Science, Life Sciences, Science
      In this National Geographic News article, read about the problems being caused in South Africa by the highly invasive South Amer...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Organs for ChristmasResource Type: Website / HyperLink

      Organs for Christmas

      Grades: 9 to 12
      Subjects: Health & Physical Education, Health Education, Life Sciences, Science, Growth, Development & Aging
      In this Access Excellence activity, students review their knowledge about the organs of the human body. They prepare models of t...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Hands on Biodiversity: Networking Students and Their BiomesResource Type: Website / HyperLink

      Hands on Biodiversity: Networking Students and Their Biomes

      Grades: 9 to 12
      Subjects: Life Sciences, Science
      In this Access Excellence activity, students from five biomes across the United States network to study biodiversity. Students m...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Freed Pet Fish Threaten Native Species, Study SaysResource Type: Website / HyperLink

      Freed Pet Fish Threaten Native Species, Study Says

      Grades: 3 to 12
      Subjects: Ecology & Ecosystems, Geography, American Democracy, History-Social Science and 2 additional..
      In this National Geographic News article, read about how freed exotic fish can threaten native species. Introduced species of fi...
      Contributor: Thinkfinity
      Views: 0Favorites: 0
    • Thumb image for Conservationists Name Nine New "Biodiversity Hotspots" Resource Type: Website / HyperLink

      Conservationists Name Nine New "Biodiversity Hotspots"

      Grades: 3 to 12
      Subjects: Ecology & Ecosystems, Geography, American Democracy, History-Social Science and 2 additional..
      In this National Geographic News article, read about biodiversity hotspots. The label highlights the identified regions as prior...
      Contributor: Thinkfinity
      Views: 0Favorites: 0