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Showing 1-12 of 12 Resources
  • Understanding Global Change

    Understanding Global Change

    Click & Learn

    This interactive tool allows students and educators to build models that explain how the Earth system works and how it is affected by human activities and nonhuman phenomena.

  • EarthViewer

    EarthViewer

    Click & Learn

    Download the accompanying student worksheet under "Downloads." What did Earth look like 250 million years ago? Or 1 billion years ago? Or 4.5 billion years ago? EarthViewer is an interactive tool that allows you to explore the science of Earth's deep history.

  • Written in Chalk

    Written in Chalk

    Phenomenal Images

    Students explore photos of chalk formations and coccolithophore algae as an anchoring phenomenon to explore the interplay between biological and geological processes.

  • Ocean Acidification

    Ocean Acidification

    Activities

    In this hands-on activity, students simulate the effects of decreasing pH caused by rising levels of atmospheric carbon dioxide.

  • Discovering the Wallace Line

    Discovering the Wallace Line

    Activities

    This activity supports the HHMI short film The Origin of Species: The Making of a Theory. Students are presented with a map of the Malay Archipelago and some field notebooks with observations of animals. By plotting which animals are found on which island, the students discover the Wallace Line—a sharp boundary that separates distinct Asian and Australian fauna. 

  • Geological History of Oxygen

    Geological History of Oxygen

    Click & Learn

    Explore the changes in oxygen levels throughout Earth’s history and discover their impact on life.

  • Plate Tectonics

    Plate Tectonics

    Animations

    (1 min 16 sec) Plate tectonics is the unifying theory of Earth science.

  • EarthViewer Data Files

    EarthViewer Data Files

    Activities

    Summaries and links to the data files used to create the charts in EarthViewer, including the APK file to manually install the app.

  • The Geologic Carbon Cycle

    The Geologic Carbon Cycle

    Animations

    (6 min 20 sec) CO2 emitted by volcanoes into the atmosphere is removed by a series of chemical reactions related to rock weathering.

  • The Principle of Isostasy

    The Principle of Isostasy

    Clips

    (2 min 39 sec) Continents rose in elevation after ice sheets from the last ice age retreated. This suggested that the underlying mantle is pliable.

  • Stratigraphic Principles

    Stratigraphic Principles

    Clips

    (2 min 21 sec) Dr. John Shea demonstrates the two main principles in the study of rock layers: superposition and association.

  • Rift Valleys of Africa and Plate Tectonics

    Rift Valleys of Africa and Plate Tectonics

    Clips

    (2 min 14 sec) African rift valleys were formed by the separation of tectonic plates. Water flows down to the valley floors, creating rivers and lakes.

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