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"mammal"
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Lesson Plan
It’s Sedimentary, My Dear Watson
In this introductory activity, students analyze core sample data to identify...
Mon, 03/15/2010 - 14:56
Lesson Plan
Let’s Make a Tubeworm
Students will be able to describe the process of chemosynthesis in general terms;...
Mon, 11/30/2009 - 18:33
slideshow
Under Arctic Ice
Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a...
Tue, 01/04/2011 - 14:48