Curated OER
Motions and Their Effects
With a simple blackboard-style appearance, these slides list facts about the reason for the seasons, solstices, and equinoxes. It also touches on Kepler's first law of planetary motion. There are no pictures or graphics to help explain...
Curated OER
Was Kepler Correct?
Students investigate the elliptical orbit around the Sun. They use the information gathered to measure the distance to the Sun from the closest orbital point and the farthest orbital point.