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  2. CBE: Life Sciences Education - Wikipedia

    en.wikipedia.org/wiki/CBE:_Life_Sciences_Education

    CBE: Life Sciences Education is an online, quarterly journal owned and published by the American Society for Cell Biology, with funding from Howard Hughes Medical Institute. The journal publishes peer-reviewed articles on life sciences education research and evidence-based practice at the K-12, undergraduate, and graduate levels. One goal of ...

  3. Thunder - Wikipedia

    en.wikipedia.org/wiki/Thunder

    Thunder is the sound caused by lightning. [ 1 ] [ 2 ] [ 3 ] Depending upon the distance from and nature of the lightning, it can range from a long, low rumble to a sudden, loud crack. The sudden increase in temperature and hence pressure caused by the lightning produces rapid expansion of the air in the path of a lightning bolt . [ 4 ]

  4. Cumulonimbus cloud - Wikipedia

    en.wikipedia.org/wiki/Cumulonimbus_cloud

    Cumulonimbus (from Latin cumulus 'swell' and nimbus 'cloud') is a dense, towering, vertical cloud, [1] typically forming from water vapor condensing in the lower troposphere that builds upward carried by powerful buoyant air currents. Above the lower portions of the cumulonimbus the water vapor becomes ice crystals, such as snow and graupel ...

  5. List of physical constants - Wikipedia

    en.wikipedia.org/wiki/List_of_physical_constants

    The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be universal in nature and thus are independent of the unit system in which they are measured.

  6. Principles of Biology - Wikipedia

    en.wikipedia.org/wiki/Principles_of_Biology

    The modules combine text, images, simulations, interactive exercises, self-tests, and formal tests. The book draws on the science journal Nature's archive of research papers. It was created by a group of more than 100 scientists, instructors, scientific illustrators, interaction designers, and faculty reviewers. It is available in formats for ...

  7. PhET Interactive Simulations - Wikipedia

    en.wikipedia.org/wiki/PhET_Interactive_Simulations

    PhET Interactive Simulations, a project at the University of Colorado Boulder, is a non-profit [1] open educational resource project that creates and hosts explorable explanations. It was founded in 2002 by Nobel Laureate Carl Wieman. PhET began with Wieman's vision to improve the way science is taught and learned.

  8. Thunderstorm - Wikipedia

    en.wikipedia.org/wiki/Thunderstorm

    See media help. A thunderstorm, also known as an electrical storm or a lightning storm, is a storm characterized by the presence of lightning [1] and its acoustic effect on the Earth's atmosphere, known as thunder. [2] Relatively weak thunderstorms are sometimes called thundershowers. [3]

  9. Physics education - Wikipedia

    en.wikipedia.org/wiki/Physics_education

    Physics education is part of the broader area of science education. History. [edit] In Ancient Greece, Aristotlewrote what is considered now as the first textbook of physics.[1] Aristotle's ideas were taught unchanged until the Late Middle Ages, when scientists started making discoveries that didn't fit them.