Who Knew Newtonâs First Law of Motion Could Be So Much Fun? At a professional development conference last month, teams of preK and kindergarten teachers had 20 minutes to read their assigned Quirkles book, absorb the concepts, and then teach an activity from the story to the group. This one demonstrates Newtonâs First Law of Motion with Mary Motionâs Plummeting Egg, found in the More Quirkles Experiment book.