Lesson Plan Ideas and websites:

Literature:
Google Literature Trips (http://www.googlelittrips.org/)
PBS Interactive (http://www.pbs.org/wgbh/nova/longitude/)
Math:
walking polygons, distance (and different measures), measure perimeter of property, triangles, angles
(http://earth.google.com/userguide/v4/ug_drawing.html)
How accurate is Google Earth's Long & Lat Grid?
Earth Science:
earth caching (http://www.earthcache.org/), topographic maps, contour lines
Science:
plant and tree identification, then the whole class marks a different type–eventually find maps of biomes, use GPS to create animals and send to food, water, shelter, etc..,
History:
latitude and longitude of historical markers, put push pins in google earth and add pictures and narration and save as kmz and publish or send as attachments
Art: gps drawing, make initials outside and then bringing them in and download track, make spiral circle, scavenger hunt, 3d architecture / proportion,
(http://www.gpsdrawing.com/workshops/schools/corby.htm)
Geography: maps, direction, shortest distance vs correct path
GPS Hide and Seek☺
Social Studies:
Follow a historic trail
Games:
http://www.gpsgames.org/

Other websites:
http://sciencespot.net/Pages/classgpslsn.html
http://lovinfifth.com/gps/
http://www.gis2gps.com/GPS/lessonplans/gpsplans.htm
http://teacherlink.org/content/math/activities/gps.html
http://education.usgs.gov/common/lessons/index.html
http://www.gpsdrawing.com/workshops/schools/corby.htm
http://www.cfa.harvard.edu/space_geodesy/ATLAS/community.html
http://www.aea1.k12.ia.us/technology/gps.html
http://www.juicygeography.co.uk/gpsschool.htm