The document provides an overview of a physical science class. It discusses what physical science is, which includes the study of physics, chemistry, astronomy and related subjects. It notes that students have previously learned tools, rules and techniques for finding order in physical surroundings, often through patterns and relationships expressed as equations. It introduces the topic of motion, which has captured human attention for thousands of years, and discusses how ancient and classical Greek ideas about motion evolved until modern understandings developed through Galileo and Newton.