Where on Earth were the reefs through geologic time?
Alycia Stigall, Ohio University-Main Campus
Students explore the geographic distribution of reefs through geologic time. Students map fossil occurrences of reef forming organisms on modern and paleogeographic reconstructions using the Paleobiology Database. ...

Geologic Time Scale CogSketch geoscience worksheet
Bridget Garnier
Sketching activity that uses a sketch-understanding program, CogSketch. This worksheet has students build the geologic time scale by adding events on increasing larger scales, from 1 million years to 4.56 billion ...

Geologic Time Calculations
Francisco San Juan, Elizabeth City State University
Radiometric age determination using parent/daughter composition and a radiometric decay curve.

Relative Dating of Geologic Materials
Steve Mattox, Grand Valley State University
This lessons allows students to constuct the basic principals used to understand relative geologic time and the skills used to construct the geologic time scale.

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 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 ...

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 ...

Interpreting Antarctic Sediment Cores: A Record of Dynamic Neogene Climate
Kristen St. John, James Madison University
This exercise set focuses on the use of sedimentary facies (lithologies interpreted to record particular depositional environments) to interpret paleoenvironmental and paleoclimatic changes in Neogene sediment ...

Theoretical estimation of cooling times
Steve Dickman, SUNY at Binghamton
Development of equations governing conduction of heat, culminating in a scaling analysis to easily estimate order-of-magnitude time for magma body to cool. Simple ultimate formulas and wide-ranging geoscience ...

Antarctica and Neogene Global Climate Change
Kristen St. John, James Madison University
This exercise set introduces students to Antarctica paleoclimatology in the Neogene. Students investigate geographic, glacial, and geologic data from Antarctica and apply geologic reasoning to propose the best ...