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  • Microbial Community Response to an Oil Spill

    Microbial Community Response to an Oil Spill

    Data Points

    Researchers monitored the succession of the microbial community in the Gulf of Mexico using data from before, during, and after the Deepwater Horizon oil spill.

  • Tracking Global Changes in Forest Cover

    Tracking Global Changes in Forest Cover

    Data Points

    Researchers used satellite imagery analyze the amount of forest that was lost annually across the globe between 2000 and 2012.

  • The Great Elephant Census

    The Great Elephant Census

    Scientists at Work

    (8 min 23 sec) How many African elephants are left and where are they? This video follows the work of researchers conducting the first census of African savanna elephants in over 40 years and the methods they are using to obtain accurate, up-to-date numbers across the continent. 

  • Trends in Atmospheric Carbon Dioxide

    Trends in Atmospheric Carbon Dioxide

    Data Points

    This activity analyzes a figure showing the atmospheric carbon dioxide concentration from 1958 to 2016.

  • Resistance to Coral Bleaching

    Resistance to Coral Bleaching

    Data Points

    This activity analyzes a published scientific figure from a study that tested whether corals can become more resistant to bleaching.

  • Coral Reefs and Global Warming

    Coral Reefs and Global Warming

    Lessons

    This activity allows students to use authentic scientific data to make claims about the threat of coral bleaching for reefs around the world.

  • Finding the Crater

    Finding the Crater

    Card Activities

    This hands-on activity requires students to “visit” different K-T boundary sites.

  • Determining the Size and Energy of the K-T Asteroid

    Determining the Size and Energy of the K-T Asteroid

    Lessons

    A lesson in which students calculate the mass, size, and kinetic energy of the K-T asteroid based on the total abundance of iridium in the K-T boundary layer.

  • Calculating Iridium Fallout From an Asteroid Impact

    Calculating Iridium Fallout From an Asteroid Impact

    Lessons

    A worksheet in which students calculate how much iridium was released, and eventually deposited all over the Earth, by the impact of the asteroid that caused the K-T extinction.

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