About This Lesson
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.
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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.