Questions Lead To Observations A man and his son were walking through a park. The boy asked, “Dad, why is the grass green?” The father said, “I don’t know.” They walked some more and the boy asked, “Why are rocks hard?” The father thought for a moment and said, “Hmm, I don’t know, son.” They walked a little farther, “Dad, why is the sky blue and clouds are white?” the boy asked. The father looked up then turned to his son, “I’ve never thought about that before. I don’t know.” Then the boy said, “Dad, do you mind that I ...