University of Richmond
Foreign-Born Population 1850-2010
If America is a nation of immigrants, where are they from and why did they come? Demographic data and interactive maps help pupils consider answers to these questions by examining the statistics of foreign-born Americans. Features allow...
PBS
Pbs Learning Media: Tracking Polar Bears
In this interactive activity adapted from the USGS Alaska Science Center, students will track the movements of a polar bear as it migrates across the changing Arctic sea ice and compare the paths of four different polar bears.
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