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Name
The location of supersonic airplane. Link

Students examine sonic booms by changing the location of the listener.
Raster Spatial Analysis Link

Examining housing values using raster data.
National Science Teachers Association Link

From the NSTA web site:

The National Science Teachers Association (NSTA), founded in 1944 and headquartered in Arlington, Virginia, is the largest organization in the world committed to promoting excellence and innovation in science teaching and learning for all. NSTA’s current membership of 60,000 includes science teachers, science supervisors, administrators, scientists, business and industry representatives, and others involved in and committed to science education.
Introductory Biology Link

Scale in the biosphere
Finding What's Nearby Link

The ESRI
Census Bureau Map Products Link

Reference Maps of Functional Regions