NGS, in partnership with The COMET Program, has developed a series of self-paced lessons on geodetic and remote sensing topics. Create a free user account to gain access to the courses below and many others that may be of interest. You will have the option of printing out a certificate upon successful completion of the quiz at the end of each lesson.
For additional lessons designed to supplement existing curricula at the middle and high school levels visit the National Ocean Service Lesson Plan Library.