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## Activities > Problem Set

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The Evolution of Earth through Time
Phil Stokes, The University of Arizona
This activity is designed for large freshman courses (>200 students) and is used in-class. The activity requires a short (15 minute) overview of Earth history before students have the opportunity to work through ...

Crater Counting Lab exercise
Kevin Mullins, Coconino County Community College
This lab is designed to teach students how we can estimate the age of other planetary surfaces by counting and size-binning impact craters. It also illustrates some examples of how erosional or deopositional ...

The Cosmic Calendar
Erika Grundstrom, Vanderbilt University
In this activity, one takes ALL of time, from the beginning of time (i.e., the Big Bang) all the way up to today, but one compresses it into one year. One can do this for all levels of students depending on how ...

Faint Young Sun, Radiocarbon dating
Mea Cook, Williams College
This problem set follows lectures and readings on (1) the Stefan-Boltzmann equation and the greenhouse effect in an n-layer atmosphere and (2) radiometric dating. The goal is for the students to apply equations ...

Calculating the radius of the Earth
Basil Tikoff, UW Madison
Science students often have difficulty thinking about large spatial scales. The purpose of the exercise is to redo Eratosthenes' calculation of the radius of the Earth using data from to sites in ancient Egypt. The excercise teaches about the methodology of science - how Eratothenes figured it out - rather than worried about what the "right" answer is. It can also be used to discuss the role of models in geological thinking.

The science behind Plate Tectonics
John Weber, Grand Valley State University
Plate tectonics is a quantitative, robust and testable, geologic model describing the surface motions of Earth's outer skin. It is based on real data and assumptions, and built using the scientific method. New ...

Homework assignments for Intro Geology
John Leland, Glendale Community College
These homework assignments consist of vocabulary and questions used as the basis for classroom discussion, guided reading, and as the basis for exams. Testing on these assignments rewards students for work already ...

Emergent Models in Google Earth
Declan De Paor, Old Dominion University
This is one sample of a set of emergent models we are developing for use with Google Earth. Students use the Google Earth time-slider to lift 3D models of the subsurface into view. They can substitute their own ...

Bioturbation Exercise
Ronald Martin, University of Delaware
Students are given data for three unidentified hypothetical environments and asked to determine the relative effects of mixed layer thickness, sediment accumulation rate, and bioturbation rate based on a simple ...

Geomorphology Problem Set
Kathleen Nicoll, University of Utah
This is an example of an exam//problem set I assigned to my Geomorphology class, which is a General Education offering at the U of Utah. The questions are rather generalized, but they can be answered to varying ...