This Universal Gravitation lesson package describes Gravity in Space, The Law of Universal Gravitation, The Power of Gravity, How Gravity Affects the Tides, Objects in Circular Orbit and How Our Bodies Respond to Microgravity. There are many opportunities for students to test their knowledge through "Check Your Understanding" slides with the teacher version containing the answers (these are generally problem-based questions like they would see on a test or quiz). There are 3 videos emb