Middle School Builds World's Largest Tetrahedron
Author Shelley Pearsall visited Copley Middle... ...bout a high school that built the world's largest tetrahedron -over 8 feet tall! To prepare for her visit, the... ...fifth- and sixth-grade students built a "Rainbow Tetrahedron ," which is a giant three-dimensional pyramid made... ...16 feet tall, which Pe...
http://www.neatorama.com/2012/05/24/middle-school-builds-worlds-largest-tetrahedron/
