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Wheel and Axle

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
    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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