This video provides an introduction to benefits and limitations of many sources …
This video provides an introduction to benefits and limitations of many sources of energy including fossil fuels, nuclear, hydro, wind, solar, geothermal and biomass. It also discusses hydrogen and hybrid cars.
Fact sheets are provided for several different energy resources as a starting …
Fact sheets are provided for several different energy resources as a starting point for students to conduct literature research on the way these systems work and their various pros and cons. Students complete a worksheet for homework or take in-class time for research and presentation of their findings to the class. This approach requires students to learn for themselves and teach each other, rather than having the teacher lecture about the subject matter.
This visualization includes a series of flow charts showing the relative size …
This visualization includes a series of flow charts showing the relative size of primary energy resources and end uses in the United States for the years 2008-2012.
Posters are provided for several different energy conversion systems. Students are provided …
Posters are provided for several different energy conversion systems. Students are provided with cards that give the name and a description of each of the components in an energy system. They match these with the figures on the diagram. Since the groups look at different systems, they also describe their results to the class to share their knowledge.
This lesson covers concepts of energy and energy transfer utilizing energy transfer …
This lesson covers concepts of energy and energy transfer utilizing energy transfer in musical instruments as an example. More specifically, the lesson explains the two different ways in which energy can be transferred between a system and its environment. The law of conservation of energy will also be taught. Example systems will be presented to students (two cars on a track and a tennis ball falling to the ground) and students will be asked to make predictions and explain the energy transfer mechanisms. The engineering focus comes in clearly in the associated activity when students are asked to apply the fundamental concepts of the lesson to design a musical instrument. The systems analyzed in the lesson should help a great deal in terms of discussing how to apply conservation of energy and energy transfer to make things.
Students will be using real-life energy use data to learn how to …
Students will be using real-life energy use data to learn how to use spreadsheets and create graphs to better organize and view data. Discussions can then follow to analyze the data and explain the usage. Real rates are then provided, and students can use the electricity consumed data to create a utility bill for the consumer and compare the standard Residential Service charges to if the member were instead billed by the “Time of Use” rate.
In this activity learners work in pairs or small groups to evaluate …
In this activity learners work in pairs or small groups to evaluate energy use in their school and make recommendations for improved efficiency. Students create and use an energy audit tool to collect data and present recommendations to their class. Further communication at the school and district level is encouraged.
In this lesson, students will explore how the sun is a primary …
In this lesson, students will explore how the sun is a primary source of energy for plants and animals. Students conduct an experiment to grow seeds, or could build a solar oven to harness energy from sunlight.
Introduces the basics of energy from how we measure it, to how …
Introduces the basics of energy from how we measure it, to how it is regulated and priced, to how you can engage in exciting new opportunities for energy efficiency, green architecture, and renewable energy. Recorded in May 2008 by Penn State University for the Local Development Districts of Pennsylvania's Energy Partnership, in Milton, PA.
This workshop will assist organizations by helping them understand their operational choices …
This workshop will assist organizations by helping them understand their operational choices in terms of energy supply and market pricing. Be prepared to take take advantage of new pricing options and efficient technologies, obtain financial incentives and focus budget dollars on core operations.
A survey of how America has become the world's largest consumer of …
A survey of how America has become the world's largest consumer of energy. Explores American history from the perspective of energy and its relationship to politics, diplomacy, the economy, science and technology, labor, culture, and the environment. Topics include muscle and water power in early America, coal and the Industrial Revolution, electrification, energy consumption in the home, oil and US foreign policy, automobiles and suburbanization, nuclear power, OPEC and the 70's energy crisis, global warming, and possible paths for the future.
A survey of how America has become the world's largest consumer of …
A survey of how America has become the world's largest consumer of energy. Explores American history from the perspective of energy and its relationship to politics, diplomacy, the economy, science and technology, labor, culture, and the environment. Topics include muscle and water power in early America, coal and the Industrial Revolution, electrification, energy consumption in the home, oil and US foreign policy, automobiles and suburbanization, nuclear power, OPEC and the 70's energy crisis, global warming, and possible paths for the future.
Where is humanity going? How realistic is a future of fusion and …
Where is humanity going? How realistic is a future of fusion and space colonies? What constraints are imposed by physics, by resource availability, and by human psychology? Are default expectations grounded in reality?
This textbook, written for a general-education audience, aims to address these questions without either the hype or the indifference typical of many books. The message throughout is that humanity faces a broad sweep of foundational problems as we inevitably transition away from fossil fuels and confront planetary limits in a host of unprecedented ways—a shift whose scale and probable rapidity offers little historical guidance.
Salvaging a decent future requires keen awareness, quantitative assessment, deliberate preventive action, and—above all—recognition that prevailing assumptions about human identity and destiny have been cruelly misshapen by the profoundly unsustainable trajectory of the last 150 years. The goal is to shake off unfounded and unexamined expectations, while elucidating the relevant physics and encouraging greater facility in quantitative reasoning.
After addressing limits to growth, population dynamics, uncooperative space environments, and the current fossil underpinnings of modern civilization, various sources of alternative energy are considered in detail— assessing how they stack up against each other, and which show the greatest potential. Following this is an exploration of systemic human impediments to effective and timely responses, capped by guidelines for individual adaptations resulting in reduced energy and material demands on the planet’s groaning capacity. Appendices provide refreshers on math and chemistry, as well as supplementary material of potential interest relating to cosmology, electric transportation, and an evolutionary perspective on humanity’s place in nature.
Corrections and feedback can be left at https://tmurphy.physics.ucsd.edu/energy-text/
Our world runs on energy - without it, things come to a …
Our world runs on energy - without it, things come to a screeching halt, as the recent hurricanes have shown. Ever stop to wonder what our energy future is? What are our options for energy, and what are the associated economic and climatic implications? In \Energy and the Environment\" we explore these questions, which together represent one of the great challenges of our time - providing energy for high quality of life and economic growth while avoiding dangerous climate change. This course takes an optimistic view of our prospects, and we'll see how shifting to renewable energy can lead to a viable future.
An activity focusing on black carbon. This activity explores the impacts of …
An activity focusing on black carbon. This activity explores the impacts of the use of black carbon generating wood, dung, and charcoal for fuel in developing countries.
In this activity, students compare countries and nation states with high- and …
In this activity, students compare countries and nation states with high- and low-energy consumption rates within a specific region of the world. Students are encouraged to draw linkages between a country's energy culture and its position in multilateral climate negotiations.
This activity introduces students to different forms of energy, energy transformations, energy …
This activity introduces students to different forms of energy, energy transformations, energy storage, and the flow of energy through systems. Students learn that most energy can be traced back to nuclear fusion on the sun.
Students discover that they already know a lot about energy through their …
Students discover that they already know a lot about energy through their own life experiences. As active consumers of various forms of energy, they are aware of energy purchases for electricity, home heating/cooling and transportation. Through the pedagogical technique of a "carousel," all students become involved in brainstorming and contributing ideas. The goal is to introduce students to key terms and issues associated with energy, as a prerequisite for the rest of the unit.
This subject provides an introduction to fluid mechanics. Students are introduced to …
This subject provides an introduction to fluid mechanics. Students are introduced to and become familiar with all relevant physical properties and fundamental laws governing the behavior of fluids and learn how to solve a variety of problems of interest to civil and environmental engineers. While there is a chance to put skills from Calculus and Differential Equations to use in this subject, the emphasis is on physical understanding of why a fluid behaves the way it does. The aim is to make the students think as a fluid. In addition to relating a working knowledge of fluid mechanics, the subject prepares students for higher-level subjects in fluid dynamics.
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