We are going to use the Earth-Moon system model once again, but this activity gets the children thinking about our scientific model in a different way; it also helps students understand the difference...We are going to use the Earth-Moon system model once again, but this activity gets the children thinking about our scientific model in a different way; it also helps students understand the difference between rotation (a body spinning around on an internal axis), and revolution (one body circling around another). These two motions are generally independent of each other.
