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Unit Plan

Ted: Ted Ed: The World's Roundest Object (And Why It Exists)

Curated by ACT

The world's roundest object helps solve the longest running problem in measurement- how to define the kilogram. A kilogram isn't what it used to be. Literally. The name, weight, and definition of a kilogram has been changing constantly since its invention, and the Avogadro Project looks to change that. [11:43]

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Concepts
measurement
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Additional Tags
measuring kilogram, avogadro project, si number, ted ed: the world's roundest object (and why it exists), si units of measurement
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Classroom Considerations
  • Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice