Crop Circles

Slide 2: Crop circles is a term used to describe patterns created by the flattening of crops such as wheat, barley, canola (also called "rapeseed"), rye, corn, linseed and soy.

Slide 4: Examples can be found world wide.

Slide 6: Various hypotheses have been offered to explain their formation, ranging from the naturalistic to the paranormal.

Slide 8: Naturalistic explanations include man-made hoaxes or geological anomalies, while paranormal explanations include formation by UFOs.

Slide 10: Many circles are known to be man-made, such as those created by Doug Bower, Dave Chorley, and John Lundberg,

Slide 13: A 2000 study into circle hoaxing concluded that 80 percent of UK circles were definitely man-made.

Slide 17: The Circle Makers: The most famous group of crop circle makers, founded by Doug Bower, Dave Chorley and John Lundberg.

Slide 20: This Link (How Stuff Works:) explains how crop circles are made and how to make your own, with step by step pictures and complex circle patterns.

Slide 23: This Link (Lucy Pringle) The de facto standard for comprehensive aerial photographs (from Lucy Pringle and others) of the UK's crop circles.

Slide 25: By: Jorge Franca