Investigation: How Faithful is Old Faithful? part of Quantitative Skills:Activity Collection
An Investigation Question activity adapted by Carol Ormand, Wittenberg University, from Shaughnessy and Pfannkuch, 2002 .
Students examine data from the Old Faithful geyser in Yellowstone National Park and determine how predictable its eruptions actually are.

Machines that change climate: Porsche 911 Turbo vs. Toyota Prius part of Quantitative Skills:Activity Collection
Kevin Harrison, McDaniel College
This problem illustrates how consumer decisions can influence carbon dioxide levels in the atmosphere, how to make back-of-the-envelope calculations, and demonstrates the power of exponential growth.

Floods on the Minnesota River - Planning for St. Peter part of Quantitative Skills:Activity Collection
James Welsh, Gustavus Adolphus College
In this lab, students make a flood hazard map for the city of St. Peter, MN.

Cycles of the Sun and Moon part of Quantitative Skills:Activity Collection
John McDaris, Carleton College
This activity asks students to download sunrise and sunset data along with moon phase data and graph these data sets together in a spreadsheet in order to visualize the cycles of the seasons and the moon.

Water Quality Assessment: Computer Analysis part of Quantitative Skills:Activity Collection
Ming-Kuo Lee
Students use computer software to generate diagrams that facilitate the examination of ion concentrations in ground-water and the chemical evolution of organic compounds in an oil spill.

Scaling Galileo's Solar System - Size of the Globes part of Quantitative Skills:Activity Collection
Len Vacher, University of South Florida
In this module, students determine the sizes of the various planets in the solar system given a particular scale. At this scale, they are also asked to compare the planet sizes to the grain sizes of different sediment types.

Scaling Galileo's Solar System - Locating the Globes part of Quantitative Skills:Activity Collection
Len Vacher, University of South Florida
In this module, students are asked to produce an angular measure of the planets' position based on their scaled orbital distances and periods. To plot the position of the planet on a campus map, they are also asked to convert polar coordinates to Cartesian coordinates.

Prospecting for Gold part of Quantitative Skills:Activity Collection
James Myers, University of Wyoming
Gold prospecting exercise.

How Large is a Ton of Rock? 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 creation and manipulation of spreadsheets to calculate the edge length of cubes and diameter of spheres of various rocks weighing a ton.

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.