An investigation / research challenge based on a gary Larson cartoon. Students are asked how much sand is required to fill the Grand Canyon. Some hints are given & an 'answer' is suggested. Feel free to adapt.


  • The GRAND CANYON.docx

About this resource


Created: Feb 10, 2012

Updated: Aug 19, 2015

Report a problem

This resource is designed for US teachers. View UK version .

0 Reviews

0(no rating)
  • This resource hasn't been reviewed.