Drawing unconformities
Gina Szablewski, University of Wisconsin-Milwaukee
Thess simple sketches are used in class to show the development of different unconformities.

Greenstone Belt Assessment
Pamela Nelson, Glendale Community College
Students examine and describe rocks found as part of a geologic sequence formed during the Precambrian Era and determine the geologic significance of each of the rocks in order. The capstone (not included on the ...

Geologic Time Discussion Analogies
Noah Fay, Pima Community College
This is 4 ppt slides used to facilitate discussion w/students about the immensity of geologic time. I ask them a series of leading questions and try to get them to do "mental math" in order to grasp the ...

Cyclostratigraphy and astrochronology exercise
maya elrick, University of New Mexico-Main Campus
Simple classroom activity to highlight how cyclostratigraphy and concepts of astronchronology can be used to refine age control in sedimentary rocks, estimate rates of processes, and for time control and ...

Depositional Environments and Geologic History Labs
Maria Waller, Wellesley College; Kathy Gilbert, Wellesley College
This is a pair of labs that incrementally prepare students to interpret the geologic history of a rock sequence. The first lab introduces students to depositional environments and fossils. The second lab presents a ...

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 ...

Hierarchical Alignment of Timelines
ilyse resnick, Temple University
In the hierarchical alignment activity students progressively and hierarchically align scale information to a spatial linear representation. The progressive alignment of scales may alleviate the conceptual ...

Personal Timeline
Rebecca Teed, Wright State University-Main Campus
Students start this worksheet by listing the most important events in their own lives, plotting them on a timeline, and then doing the same with Earth history events. Usually, their personal timelines will resemble ...

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 ...

Metaphor for the geologic time scale
Cara Thompson
Students choose an object or concept that they are familiar with (e.g., football field, pint of beer, etc) and calculate the cumulative amount of that object or concept that represents intervals of geologic time. ...