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## College Upper (15-16)

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An Assessment of Hillslope Stability Using the Factor of Safety
Laura Moore, Oberlin College
In this homework assignment students are asked to consider the balance of forces on a hill slope using the Factor of Safety.

Northwest Passage
Glenn Richard, SUNY at Stony Brook
An investigation of changes in polar regions using Google Earth.

Illustrating Hillslope Diffusion with Physical and Numerical Models
Gregory Hancock, College of William and Mary
This problem illustrates how numerical theories are developed, how we might test this theory with an analog model, and how numerical models are constructed and the limitations of numerical modeling.

Westward Ho! How Far is Yonder Mountain
Len Vacher, Dept of Geology, University of South Florida
PowerPoint module leading students through development of a spreadsheet to calculate the distance of a mountain peak from coplanar vertical angles shot from two points a known distance apart.

How Far is Yonder Mountain? -- A Trig Problem
Len Vacher, University of South Florida
Spreadsheets Across the Curriculum module. Students use Polya's problem-solving heuristic to find the distance of a peak using vertical angles sighted from a wagon train heading toward the peak.

What's for Dinner? Analyzing Historical Data about the American Diet
Jessica Libertini, Johns Hopkins University
In this activity, students research the historical food consumption data from the U.S. Department of Agriculture to observe trends, develop regressions, predict future behavior, and discuss broader impacts.