Online Lessons

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.

These lessons are rated by skill level:

     0 = Suitable for non-scientists
     1 = Requires basic scientific literacy
     2 = Requires some prior knowledge of the topic


For additional lessons designed to supplement existing curricula at the middle and high school levels visit the National Ocean Service Lesson Plan Library.