spatial relations - All Posts
Where & When?
On November 26, 2012
Here is the opening question from the last problem set in my Earth’s Environmental Systems course (GEOL 110). I thought my clues were amply
The Third Time is the Charm?
On October 4, 2012
My Geology 110 course, Earth’s Environmental Systems, is a big class. 195 students are enrolled and we meet for 50 minutes at 9 a.m.