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Library of 3383 accessible STEM media resources.

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  • Illustration of a man sitting at a desk, looking off into the distance at nothing. Caption: Maybe the continents drifted apart.

    This animated short tells the story of Alfred Wegener, a German astronomer and atmospheric scientist, who came up with the idea that continents once formed a single landmass and had drifted apart. Continental drift explained why continents' shapes fit together like pieces of a puzzle and why distant continents had the same fossils. During Wegener’s time, the idea was met with hostility but after his death a large body of evidence showed that continents do indeed move. Today the theory of plate tectonics is a fundamental principle in geology.

    (Source: DCMP)

  • Bear in a river on all fours with a fish in its mouth. Caption: animals live in and around lakes and rivers.

    While asleep, a young girl dreams that her computer teaches her about earth's geographic areas. Uses a globe to tell about areas of water (oceans, lakes, and rivers), land (mountains, forests, canyons, deserts, plains, and poles), and climates (cold, tropic, and moderate). Emphasizes that all areas and features of earth support life.

    (Source: DCMP)

  • Multi-sailed ship on the ocean as seen from above. Caption: Darwin jumped at the chance to sail around the world

    British naturalists Charles Darwin and Alfred Russel Wallace both set out on epic adventures to study various species and their development. They gathered evidence on the variation among individual members of a species, the relationships among species, and the patterns of geographic distribution across many species. Based on such evidence, they independently came to the same revolutionary conclusions: species change over time by means of natural selection, and species descend from other species.

    (Source: DCMP)