66 schools from 22 countries recorded 230 measurements over 4 continents


3-Communication and exchange between partner schools

3.Communication and exchange between partner schools (max. 200 words) *

How did you organise the communication between you and your partners?
What communication activities did you design for or with your pupils for sharing the work of each class on the themes of the project?

Two breaking ice activities are organized in the Twinspace (Spotlight on the schools).The students present their group and their localization on a globe. For the main measurements (equinoxes and solstices), the results are shared in real time on a google drive sheet, this document is embed in a wiki page. Photos of the measurements are published in the galleries. The main interest is to show the group of students participating to the measure and the different types of gnomon they use. The analyze of the photo may eventually give some informations about errors or mistakes in the result or process of the measurement. Since 2013, we developed a google drive sheet that automatically calculates the circumference of the Earth with the shared data, and allows each school to find the best partnership ( the one that leads to a result as close as possible to the real circumference (40000km)). A Geogebra template is also shared for the drawing of the geometric figure. This Gepogebra file also automatically calculates the circumference of the Earth with the 2 schools results.The presentation of the school, the measure, the result of the calculation with the best partner are communicated during a videoconference.

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Participating schools

 spring equinoxsummer solsticeautomn equinoxwinter solsticespecial events
20143416 27 2211

Calculation of the circumference (statistics)


All the participating schools could find a partnership to calculate the circumference of the Earth.

The best average circumference was calculated for march measurements : 0.4% error

The most popular measurement was in june with 87 measures

month of measurenumber of schoolsnumber of countriesnumber of partnershipsnumber of measuresaverage circumference (km)error

On january videoconference, students had to identify 10 participating  countries (5 Europe & 5 Asia) on a map

Malaysia was identified at 80%, and the result was 100% for all the other countries.

Screenshots of the videoconference quiz


Jumping contest


 In april/may 23 teachers/students nominated their favorite jumping photo, commenting the wiki page

 A second contest, with new photos was organized on line , during the june videoconference


European Quality Labels


National and European Labels




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