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Drawing a Crop Circle

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Visit this site: http://centros.edu.xunta.es/iesramoncabanillas/origcrop/principal.htm

Author:IES Ramon Cabanillas (Cambados, Pontevedra, Spain)
Description: To draw a crop circle, the high school students at IES Ramon Cabanillas (Cambados, Pontevedra, Spain) calculated ellipses and discovered the pentagram's relation to the golden mean. This website details their designs, practice, calculations, and final outcome. Spanish and Galician versions are also available.

Levels: High School (9-12)
Languages: English, Spanish
Resource Types: Graphics, Lesson Plans and Activities, Recreations, Field Trips
Math Topics: Euclidean Plane Geometry

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