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Quantitative Skills, Thinking, and Reasoning Activities


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The Earth's Shells - Density vs. Depth
Len Vacher, Dept of Geology, University of South Florida
In this module, students are asked to devise a way of graphically plotting the density variations with depth in the Earth.

Back-of-the-Envelope Calculations: Eruption Rates
Barb Tewksbury, Hamilton College
Question Over the last 70 million years or so, the Hawaiian Hot Spot has been pumping out lava, a total of about 775,000 km3 worth. As the Pacific Plate has moved over the hot spot, the volcanic peaks and plateaus ...

Sun Spot Analysis
Bob Mackay, Clark College; Mike Clark
Introductory students use Excel to graph monthly mean Greenwich sunspot numbers from 1749 to 2004 and perform a spectral analysis of the data using the free software program "Spectra". -

Using Mass Balance to Understand Atmospheric CFCs
Bob Mackay, Clark College
Students use an interactive online mass balance model help understand the observed levels of chlorofluorocarbon CFC-12 over the recent past. -

Crystal Structures as Geobarometers
Kent Ratajeski, kratajeski@montana.edu Department of Earth Sciences, Montana State University, Bozeman, MT Published Jan. 4, 2005 Description This exercise is based on the recent formulation of a geobarometer ...

Waves Through Earth: Interactive Online Mac and PC
JAVA Applet and activity provided by Visual Entities. Starting Point page organized by R.M. MacKay.
Students vary the seismic P and S wave velocity through each of four concentric regions of Earth and match "data" for travel times vs. angular distance around Earth's surface from the source to ...

Mass Balance Model
Activity and Starting Point page by R.M. MacKay. Clark College, Physics and Meteorology.
Students are introduced to the concept of mass balance, flow rates, and equilibrium using an online interactive water bucket model. -

World Population Activity II: Excel
Activity and Starting Point page by R.M. MacKay. Clark College, Physics and Meteorology.
(Activity 2 of 2)In this intermediate Excel tutorial students import UNEP World population data/projections, graph this data, and then compare it to the mathematical model of logistic growth. -

Matlab Module to Delineate Zones of Contribution
Roseanna Neupauer, University of Colorado at Boulder
This module includes two Matlab routines to delineate zones of contribution. Students can vary aquifer parameters and stresses and observe the effects on the zone of contribution.

Using the EXCEL Woburn Flow and Transport Model to Teach Modeling Concepts
Scott Bair, Ohio State University-Main Campus
Modeling ties together many subjects taught in an introductory hydrogeology course. The goals of this activity are for students to learn why scientists and engineers use models, what types of models are commonly ...