Work process

  • The work process is determined by the 4 astronomical events (2 equinoxes, solstices 2) and promotional events (Festival of Science, workshop presentations ...)

    0: before the first measurement
    Presentations and exchanges between pupils,
    Communication of the geographic coordinates of the school
    Localization on a Google map

    (you must be member of the Eratos2017 Google group to edit the Google documents)

    Name of task Action Place Production Task
    1-School data  Check : City, Country, Name of school, Latitude, Longitude, Google Map Google Drive   Teacher
    2-School banner Create an image banner  (800x200-250px)   Students  
      Upload an image Twinspace > Materials >Images>School Banner   Teacher
      Upload an image google > Schools Banners > Photo banner   Teacher
    3-Text Banner Write a description of the school (native language and english) less than 100 words   Students  
      Publish the word document Twinspace > Materials >Files>Text Banner   Teacher
      Publish the word document google > Schools Banners > Text Banner   Teacher
      Shoot and edit a video   Students  
    4-School Publish a video video : Twinspace >Project Journal   Teacher
    presentation Publish a video video : Twinspace > Materials >Videos   Teacher
    (ppt or video) Create a ppt   Students  
      Publish a ppt ppt : Materials >Files>School Presentation   Teacher
      Publish a ppt (google slides) google > Schools Presentations   Teacher
      Publish a ppt ppt : Twinspace >Project Journal (embed)   Teacher
    5-Students account Invite the students (username + pswd) Twinspace>Members>Invite members>Pupils   Teacher
    6-Students Create a forum (City Country) Twinspace>Forums>Add forum    Teacher
    presentation Create a thread (Student name) Twinspace>Forums>Add forum>City-Country>Create thread    Teacher
      Present oneself and interact with other students Twinspace>Forums> Students  
    7-Eratosthenes experiment  Present the historical experiment EEE group> Teacher's guide   Teacher


    1: before any measurement
    Experimental preparation of the measure
    Organization of measures over several days (equinox or solstice Strategies)
    Solar noon prediction with the use ephemeris app. (mobile, tablet) or ephemeris website

    2 during the measurement
    Determination of the solar noon
    Measures of the height of the gnomon, and the length of the shadow,
    Photographies and videos

    3 ° after measurement
    Instant communication through social networks
    Pooling of internet documents :
    Publication of the results of measurements on a shared google spreadsheet of the month in "School data" .
    Publication of the photos  in your school photo gallery of the TwinSpace and in your google "School gallery"

    4. before the videoconference
    Verification of results, estimation of measurement quality from ephemeris
    Looking for the best partnership in a shared spreadsheet in Google drive
    Choice of the partner school which will lead to the nearest calculation 40000km.
    Drawing the geometrical figure of the measurement, followed by calculation of the circumference of the Earth using a Geogebra model.
    Preparation of the videoconference with the slides (country-city-school-student-made) and intervention (of) student presenters
    Communication of the results during a videoconference.
    Publication of the video conferencing