An Assessment of Hillslope Stability Using the Factor of Safety part of Quantitative Skills:Activity Collection
Laura Moore, University of North Carolina at Chapel Hill
In this homework assignment students are asked to consider the balance of forces on a hill slope using the Factor of Safety.

Reading Topographic Maps and Calculating Map Scale part of Quantitative Skills:Activity Collection
Leslie Kanat, Johnson State College
Use a topographic map to deliniate a watershed, draw a map bar scale, and calculate a map ratio scale.

Laboratory Activity: The Sun and Climate part of Quantitative Skills:Activity Collection
Peter Selkin, University of Washington-Tacoma Campus
In this physical geography lab, students examine the relationship between solar altitude, solar declination, and temperature regimes. Using data collected in the field, mathematical relationships, and temperature records available on the Internet, students compare the insolation and climate in their location to that of other locations.

My Special Place part of Quantitative Skills:Activity Collection
Sadredin Moosavi, RCTC
Students pick a place of significance to them (their Special Place) for analysis in this semester-long project. (A model is provided by the instructor using a place the students are not likely to have visited.)

Illustrating Hillslope Diffusion with Physical and Numerical Models part of Quantitative Skills:Activity Collection
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.

Back-of-the-Envelope Calculations: Scale of the Himalayas part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College
Question Let's imagine a scale model of the Earth, and let's imagine that the Earth is the size of a basketball. Suppose that you wanted to build the Himalayas to scale on the surface of the basketball. ...

Back-of-the-Envelope Calculations: Height of the Himalayas part of Quantitative Skills:Activity Collection
Barb Tewksbury, Hamilton College

Westward Ho! How Far is Yonder Mountain part of Quantitative Skills:Activity Collection
Len Vacher—University of South Florida, Tampa FL 33620 This activity was developed for Spreadsheets Across the Curriculum. National Science Foundation, DUE 0442629.
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.

GEO-Logic: How Well Do You Know Your National Parks and Memorials part of Quantitative Skills:Activity Collection
Laura Guertin, Penn State Brandywine
Students are asked to associate historical figures with a particular National Park or Memorial (and its size) as well as the number of points they scored in a fictitious game show, based on clues about the situation given from various perspectives.