William P. Cunningham University of Minnesota Mary Ann Cunningham Vassar College Copyright ? The McGraw-Hill Companies, Inc. Permission required for reproduction or display. *See PowerPoint Image Slides for all figures and tables pre-inserted into PowerPoint without notes. Chapter 19 Lecture Outline* Conventional Energy Outline What is Energy? How Energy Is Used Coal Oil Natural Gas Nuclear Power Nuclear Fission Reactors Types Waste Management Nuclear Fusion How Do We Measure Energy? Work - application of force over distance (measured in joules) Energy - the capacity to do work Power - rate at which work is done (measured in watts) Newton - force needed to accelerate 1 kg 1 meter per second Joule - amount of work done when a force of 1 newton is exerted over 1 meter