This zip file contains many different activities (62 pages of student handouts and 1 PowerPoint with a total of 35 slides) which can be used to compose a unit for physics students involving topics involving circular motion, Kepler's Laws and Gravitation. Topics in this unit include centripetal force, centripetal acceleration, Kepler's three laws, orbital and escape velocity, geosynchronous orbits, Newton's Law of Universal Gravitation, factors influencing gravity, weight and more.A lab activit