In this activity, students explore the relationship between the masses of objects and the orbits they follow. They will make predictions and try to model different orbital scenarios using a gravity well model constructed in class. Materials Hula hoop, 30” diameter or larger preferred Spandex OR other stretchable fabric that can be pulled tightly over the hoop 8-12 binder clips (large enough to clamp around the hoop ring and secure the fabric) Spheres of various sizes and masses (e.g., large met