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How do we measure brightness, electricity and substance?

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16 October 2019

The National Measurement Institute (NMI) has released the final videos in the series explaining the 7 basic units of measurement simply for kids.

Australia’s Chief Metrologist and head of the NMI, Dr Bruce Warrington travels through time and space in the Tardis (which was kindly supplied by the ABC) to talk about each basic unit. In the videos, Bruce discusses how we measure each unit and how it has changed over time.

The final videos are on the candela which measures brightness, ampere which measures electricity, and mole which is the unit for measuring substance.
 

Read the transcript
 

Read the transcript
 

Read the transcript
 

About the series

The previous videos were on the second, metre, kilogram and kelvin. The series is part of our outreach to improve science, technology, engineering and mathematics (STEM) education. They aim to make learning about measurement fun, so share them far and wide, especially with any teachers you know.

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