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Geology -- Geologic time
Who's on First: A Relative Dating Activity
In this activity, students are introduced to sequencing and geologic time through relative dating techniques. Students begin by categorizing cards of nonsense words, then move on to cards with pictures of fossils. Once...
Life Has A History
This website provides students with an introduction to the history of life and how it resulted in today's biodiversity. There are three tiers of difficulty available for different grade levels. During this tour students...
The Mississippi River Delta
For the past 100 million years, redeposited sediment has gradually increased the size of the Mississippi River Delta. But over the past several decades, the coast of southern Louisiana has been losing rather than...
Deep Time: The Geologic Time Scale
This page examines the issues involved in teaching students about the geologic time scale. There are suggestions for tackling troublesome issues in class as well as activities that can be used to clarify how...
Fossils, Rocks, and Time
This on-line book, published by the United States Geological Survey (USGS), discusses the use of fossils in determining the age of rocks. The publication covers how to place events in correct temporal order, a...
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