Calculate the circumference of the Earth

http://www.nytimes.com/2002/09/24/science/here-they-are-science-s-10-most-beautiful-experiments.html

This project is based on a scientific collaboration : Each school needs the measurement of a partner school to obtain the final result. Schools from 4 continents are involved.

| Europe | Africa | America | Asia |

Access to 2005 to 2014 eTwinning projects are no longer possible

2015 - 2016 - 2017 - 2018 - 2019 - 2020 - 2021 - 2022

Since Eratosthenes 2010 project, the twinspace is organized upon a civil year (January to December).

September-December 2022 (new Twinspace)

January-September 2022 (old Twinspace)

Links to the old 2022 Twinspace pages

ERATOS PROJECT [home page]

• Eratosthenes method
• Eratosthenes collaborative measure
• Pedagogical module

Guides

• Get started with Twinspace
• Geogebra geometric figure
• Animated gif

Work Process

Equinoxes and Solstices

No NooN SHADOW DAYS

Use of ICT

• Safer Internet Day
• Copyright
• Code Week

Live events

Bibliotheca Alexandrina 2022

NEWSLETTERS

Schools: Europe - Africa - Asia - America