Conceptual Physical Science, Third Edition takes learning physical science to a new level by combining HewittÕs leading conceptual approach and friendly writing style in a new edition that provides stronger integration of the sciences, more quantitative coverage, and a wealth of new media resources to help readers. The dynamic new media program includes hundreds of animations and interactive tutorials developed specifically for students taking physical science courses. Media references throughout the book point readers to additional online help. The bookÕs consistent, high-quality coverage includes five new chapters on chemistry, astronomy, and earth science for an even more balanced approach to physical science.