Curated and Reviewed by
Lesson Planet
The definition of a kilogram changes in 2018. A video discusses the current definition of a kg and why scientists need to change it. Then, it explains the science behind the process of redefining it.
3 Views
0 Downloads
CCSS:
Adaptable
Additional Tags
Instructional Ideas
- Review how to solve equations for different variables if pupils are not all confident in the process
- Discuss the ways scientists previously defined other standard units and how they define them now
Classroom Considerations
- Relies on prior knowledge of Avogadro's number and Planck's constant
- This video is hosted on YouTube
Pros
- Includes subtitles in seven languages for English learners
- Provides clear diagrams of sophisticated scientific equipment
Cons
- None