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History of Science

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Real World Application
    Crystal Ball

    Crystal Ball

    by CK-12 //basic

    Find out how and why Mendeleev invented his periodic table of the elements and how he used his table to predict unknown elements.

  • Real World Application
    X the Unknown

    X the Unknown

    by CK-12 //basic

    Find out how X-rays were discovered and how the use of X-rays revolutionized science and medicine.

  • Real World Application
    Better Late than Never

    Better Late than Never

    by CK-12 //basic

    Learn why almost everything in the universe depends on atoms, how the idea of atoms came about, and how science might have been different if the idea had been accepted sooner.

  • Real World Application
    Lucky Discovery

    Lucky Discovery

    by CK-12 //basic

    Find out why the accidental discovery of electromagnetism made much of modern life possible because so many modern devices use electromagnets.

  • Real World Application
    Where Would You Be Without Dalton?

    Where Would You Be Without Dalton?

    by CK-12 //basic

    Find out how the ability of modern chemists to develop life-changing materials such as plastics depends on knowlege of atoms that was first introduced by John Dalton around 1800.

  • Real World Application
    War of the Currents

    War of the Currents

    by CK-12 //basic

    Find out how the U.S. electrical grid came to carry alternating current and why direct current might make more sense today.

  • Real World Application
    Printing with Light

    Printing with Light

    by CK-12 //basic

    Learn about the first female photographer, how to make prints with UV light as she did, and how the process works.

  • Real World Application
    The Amazing Wheel

    The Amazing Wheel

    by CK-12 //basic

    Learn the history of the wheel and axle and why it has been called one of the most important inventions of all time.

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