Search Results

Showing 1-10 of 10 Resources
  • Gorongosa's Water Cycle

    Gorongosa's Water Cycle

    Animation

    (2 min 15 sec) This animation illustrates the main stages of the water cycle in the setting of Gorongosa National Park.

  • Coral Bleaching

    Coral Bleaching

    Animation

    (3 min 48 sec) Zoom into a coral reef and discover photosynthetic algae inside the coral’s cells. Reef-building corals rely on these symbionts for their survival.

  • Plate Tectonics

    Plate Tectonics

    Animation

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

  • Dramatic Retreat of Arctic Sea Ice in 2012

    Dramatic Retreat of Arctic Sea Ice in 2012

    Animation

    (26 sec) Arctic sea ice melted on an unprecedented scale in 2012, opening up the fabled Northwest and Northeast passages.

  • The Geologic Carbon Cycle

    The Geologic Carbon Cycle

    Animation

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

  • Greenhouse Effect

    Greenhouse Effect

    Animation

    (2 min 14 sec) Sunlight that warms Earth is re-emitted as infrared radiation, which is absorbed by greenhouse gases and causes further warming.

  • Holmes' Model of Convection

    Holmes' Model of Convection

    Animation

    (45 sec) An early continental drift model proposed that mantle convection can produce continental movement and new plate formation.

  • Daly's Model of Subduction

    Daly's Model of Subduction

    Animation

    (2 min 19 sec) An early model of continental drift proposed that parts of continental plates can sink into the mantle, allowing for movement.

  • Continental Movement Over the Past 200 Million Years

    Continental Movement Over the Past 200 Million Years

    Animation

    (1 min 1 sec) The breakup of a supercontinent into several smaller continents explains the distribution of fossil and geologic evidence.

  • Arctic Island Was a Tropical Island 500 Million Years Ago

    Arctic Island Was a Tropical Island 500 Million Years Ago

    Animation

    (47 sec) Reconstructing past continental plate movements reveals the island of Spitsbergen was tropical 500 million years ago.