افغانستان اوچون آچیق و مجانی اورگتیش قایناقلر

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Make a Sundial

     
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Students build a sundial to measure time. They explain how a sundial works with sunlight. They tell the time using a sundial and compare the accuracy and precision of this method with modern ways of telling time.


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یازوچی

Audrey Korczynska

یایین بیروچی

astroEDU

جواز/ دارنده حق چاپ

CC BY 4.0

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