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Lesson Planet
The definition of a kilogram is debatable. An informative video (as part of a larger playlist) shares the problem with the current definition of a kilogram. It explains why the concept became a challenge to explain as well as multiple scientific endeavors to redefine the standard of measurement.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Learn about the redefinition of the kilogram in 2018
- Discuss the graph at 5:40 in greater detail
Classroom Considerations
- Relies on prior knowledge of Avogadro's constant
- This video is hosted on YouTube
Pros
- Connects history, math, and science
- Includes closed captioning in 17 languages for ease of note taking
- Introduces more than one famous scientist
Cons
- None