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Unit Plan

Ted: Ted Ed: Caesium or Cesium: Periodic Table of Videos

Curated by ACT

The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. Here are five grams of caesium in water, but did you know caesium is also used to define the length of a second? [7:17]

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Additional Tags
55, cs, ted ed: caesium or cesium: periodic table of videos, chemical element, cesium (cs)
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Classroom Considerations
  • Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Practice