Energy: Understanding Its Role in Modern Society and Types of Energy - Prof. Neil Johnson, Study notes of Geology

Download Energy: Understanding Its Role in Modern Society and Types of Energy - Prof. Neil Johnson and more Study notes Geology in PDF only on Docsity! Lecture 11 1. Energy 1.1. Modern society is completely dependent on it 1.2. Prior to the modern era… 1.2.1.Virtually all food was local 1.2.2.People lived close to their workplaces 1.2.3.Few traveled more than 100 miles ever 1.3. Now? 1.3.1.ROAD TRIP! 2. What is energy? 2.1. The actual or potential ability to do work 2.2. Only two fundamental types of energy 2.2.1.Kinetic energy: possessed by something in motion 2.2.2.Potential energy: Something contains energy that might be extracted 2.3. Wind, petroleum, nuclear, biomass, geothermal, solar, coal 3. Measures of Energy 3.1. Various measures arising from different fields 3.1.1.Joule-physics; Calorie-chemistry; BTU-engineering 4. Historical Energy Sources 4.1. Wood, wind, water, animals, people 5. Energy and Society 5.1. Societies change-energy demands change and increase 6. The problem with Energy? 6.1. It’s hard to store 6.1.1.Plants turn sunlight into sugar 6.1.2.Nuclear energy into chemical potential energy 6.2. It’s hard to move around 7. World Energy 7.1. Uranium is about 67% of the total available energy 7.2.