October 2006 – Enigma "Crop
circles" a challenge among European students to reconstruct some Crop circles formations using Geogebra (a free maths software
www.geogebra.at), not too difficult and very
intriguing.
On this website the contributions of European colleagues and
students.
For
more information regarding crop circles
read more here >> and also
here
>>
Belgian
Crop circles >> http://www.math.be/
Italian
Crop circles >>
1 - 2
-
3 - 4
- 5
Greek Crop
circles 1 -
2 - 3
- 4
>> users.sch.gr/dkastani/grcrop.html
- users.sch.gr/dkastani/encrop.html
Spanish
Galician Crop circles >>
http://centros.edu.xunta.es/iesramoncabanillas/cropcircles/cropcircles_sp.htm
English
Crop circles
 >>
1 -
2 -
3 -
4 -
5
-
6 -
7
-
8 <- using ppt presentation and Sketchpad software -
Teacher Emily Foulkes and her students -PRIORY COMMUNITY SCHOOL -
Weston-Super-Mare NW Somerset - UK.  prize Etwinning
Awards 2005 - 1st prize - Digital resources 
Download here a crop circle reconstruction lesson plan in:
English
- French - Dutch - Italian
- Greek
- Spanish -
Galician
-
Romanian - Polish
- Swedish
- Russian
-
Czech
version (pdf format).
Translation: J.P. Van der Elst,
Noel Jean Lambert, Ivan De Winne, Palmira Ronchi, Dimitris
Kastaniotis, Benito Bu�, Daniela Harsan, Marzanna Miasko -
Sten Rydh - Irina Hagman
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