Measuring Temperature According to Bubblebear

Eureka! Episode 20 – Measuring Temperature
A very basic but well done explanation of how thermal expansion thermometers work and why we need them.

Aimed at elementary school children as part of the  bubblebear channel, it does the job for many adults, too!

http://www.youtube.com/watch?v=YWJHNG5y5F0&feature=related

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Tagged as: bubble bear, temperature scale, thermal expansion, thermometer