January - February

Pre-Test in English or French  (on line or pdf)

March

The quality of the measures was evaluated on March equinox.

18 schools realized 40 measures of the angle of the sun from 17 to 23 March at solar noon.
This angle decreases by 0.4° per day and is equal to the latitude on the day of the equinox (taking into account the measurement errors

May - June

The students from Greece and Romania answered  the mid-term evaluation form.

September

The quality of the measures was evaluated on September equinox.

14 schools realized 25 measures of the angle of the sun from 18 to 24 September at solar noon.
This angle increases by 0.4° per day and is equal to the latitude on the day of the equinox (taking into account the measurement errors

December

Students and teachers evaluate their progress and aims in the 21st century skills frame.

The 494 collaborative measurements result in a value of 39,926 km for the circumference of the Earth, with a deviation of 0.37% from the actual value.