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...
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...
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...
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