The article offers information about global positioning system (GPS) and geocaching which started when GPS satellite signals were opened to public in the U.S. in 2009.Topics discussed include the Small Footprints nature education trail in a college which consisted of seven outdoor learning stations on campus that is used through geocaching; benefits of using GPS in education and use of GPS to develop critical thinking skills.
Schwartz, James E. (2016). "Unlocking Thinking Through and About GPS." Children's Technology and Engineering 20.4, 12-15.
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