Fourth graders, in groups, locate, comprehend, interpret, and evaluate information about celestial bodies that influence ocean tides on Earth. They apply this information through graphic representations.

Students examine Kepler's Laws. They confirm Kepler's 3rd law by comparing orbital periods and mean distances for all major planets and study conic sections, qualitatively.

Students investigate the use of latitude and longitude to locate specific locations on Earth and evaluate that location as a potential landing site for researchers, terrestrial or alien space missions.