The first near-accurate measurement of the earth’s size was made more than 2,000 years ago. Who made this measurement and how did they make it?
What knowledge and tools did they use? Can you and your students use the same tools to measure the earth’s size for yourselves?
To explore the above questions, join our interactive discussion with Amol Anandrao Kate and Saurav Shome, as part of the i wonder webinar.
The discussion will be in English and Hindi.
Article: Measuring Earth’s Size
The first near-accurate measurement of the size of the earth was made by a Greek called Eratosthenes. While much of Eratosthenes’ work is lost to the ages, we know of the method he used to arrive at this measurement from the writings of the philosopher Cleomedes.
Read the article: https://bit.ly/3nAioRh
If you know other teachers, educators, or parents who would be interested, please invite them to register at http://bit.ly/iwonderRegister
To subscribe to the print edition of the i wonder… click https://bit.ly/iwonderSubscribeIW and complete the subscription form.
If you would like to write for us on a topic related to teaching and learning of science in schools, please send your idea, in 100 words, to email@example.com
You can also find us on Facebook.