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RESOURCE	GRADE LEVEL	MEDIA TYPE
Astronomy Theories This video segment from Swift: Eyes through Time deals with the advancement of science through changing existing ideas, refuting outdated theories, and incorporating new findings. Accessibility features: Caption	5-8	Video
Clean Coal? Explore the challenges facing the deployment of clean coal technology in this video segment adapted from FRONTLINE: "Heat." Accessibility features: Caption	6-12	Video
Converting to Biodiesel Meet a college student whose class project to turn cooking grease into diesel fuel resulted in converting bus fleets to biodiesel, in this video from Earth Island Institute's New Leaders Initiative. Accessibility features: Caption	5-12	Video
Cooking Cookies with Solar Power In this video segment adapted from ZOOM, two solar cookers are tested against a control to see which can cook a "s'more" faster. Accessibility features: Caption	K-8	Video
Designing Future Cities: Alternative Energy In this video segment adapted from ZOOM, visit a class as they design a city of the future that will use solar, wind, and water power to fuel its economy. Accessibility features: Caption, Transcript	3-8	Video
Electricity This video segment from IdahoPTV's D4K explains some electrical vocabulary and follows the route of electricity from its generation to the home. Accessibility features: Caption, Transcript	4-6	Video
Energy Sources This video segment illustrates a variety of energy sources used to generate electricity, some of which are in use and some of which are under exploration. Accessibility features: Caption	3-12	Video
Engineering Biofuels In this video segment adapted from KQED's QUEST, find out how synthetic biologists use the techniques of metabolic engineering and directed evolution to make more effective biofuels. Accessibility features: Caption	9-12	Video
Ethanol Biofuel In this video segment adapted from NOVA, learn about one scientist's idea for using biotechnology to make ethanol a more efficient alternative to gasoline. Accessibility features: Caption	9-12	Video
Fracking In this video segment adapted from Need to Know, learn about the controversial method of extracting natural gas known as hydraulic fracturing, or fracking, and how some residents who live near drill sites are concerned that it's polluting their water. Accessibility features: Caption	9-12	Video
Franklin Chang-Díaz: Rocket Scientist This video segment adapted from NOVA scienceNOW profiles Franklin Chang-Díaz, a scientist who is working on plasma-powered rockets and was NASA's first Latin American astronaut. Accessibility features: Caption	6-12	Video
Fuel Cells In this video segment adapted from NOVA scienceNOW, hydrogen fuel cell cars promise pollution-free driving, but will we see them anytime soon? Accessibility features: Caption	6-12	Video
Fusion: The Hydrogen Bomb Just after World War II, nuclear scientists turned their attention from fission to fusion. This video segment adapted from AMERICAN EXPERIENCE looks at the beginnings of thermonuclear power generation. Accessibility features: Caption	6-12	Video
Gamma-ray Burst Theories This video segment from Swift: Eyes through Time introduces and explains theories of the origin of gamma-ray bursts. Accessibility features: Caption	5-8	Video
Geothermal Power This video segment from Vegas PBS shows the important role geothermal energy systems can play in making a more energy-efficient and greener building. Accessibility features: Caption	3-12	Video
Germany Phases Out Nuclear Power This video excerpt from FRONTLINE: "Nuclear Aftershocks" explores the debate behind Germany's decision to phase out its nuclear energy program and revert back to coal as “the bridge” that will eventually allow greater reliance on renewable energy. Accessibility features: Caption	6-12	Video
Global Warming and The Greenhouse Effect This video excerpt from Race to Save the Planet discusses the greenhouse effect and global warming. Accessibility features: Caption	6-12	Video
Global Warming: Carbon Dioxide and the Greenhouse Effect This video segment adapted from NOVA/FRONTLINE demonstrates the physical property of carbon dioxide that causes the greenhouse effect. Accessibility features: Caption	6-12	Video
Global Warming: The Developing World This video segment adapted from NOVA/FRONTLINE looks at the future of global warming as developing nations, including India and China, increase their need for energy. Accessibility features: Caption	6-12	Video
Global Warming: The Hydrogen Car Is the hydrogen car the answer to global warming? This video segment adapted from NOVA/FRONTLINE looks at the pros and cons of this developing technology. Accessibility features: Caption	3-12	Video
Global Warming: The Physics of the Greenhouse Effect This video segment adapted from NOVA/FRONTLINE examines the greenhouse effect, its role in keeping Earth habitable, and the industrial changes that have led to an increase in the planet's average temperature. Accessibility features: Caption	6-12	Video
Green Energy This video segment from IdahoPTV's D4K describes renewable and non-renewable energy sources and the benefits and drawbacks of each. It provides some ideas about how you can personally conserve energy. Accessibility features: Caption, Transcript	4-6	Video
History of Pennsylvania Energy through the 20th Century This video defines the sun as the first source of energy in Pennsylvania. Since prehistoric times, energy has defined Pennsylvania's story. Wood fires, lumber, fossil fuels, nuclear power, biomass, windmills and solar panels have all played a part. Accessibility features: Caption	6-12	Video
Hoover Dam and Hydroelectric Power How does a dam generate electricity and what are the environmental impacts of operating these mammoth structures? Find out in this video segment adapted from Building Big. Accessibility features: Caption	3-12	Video
Inside an Explosion From afar, an explosion may seem like one of the most incredible examples of chaotic interaction. But once you look closer, as in this video from QUEST, you will find that large-scale explosions require very precise interactions to occur in just the right sequence. Accessibility features: Caption	8-12	Video
Mitigating Climate Change In this video segment adapted from Navajo Technical College, meet a chemistry professor who explains some of the core concepts connected to climate change: carbon dioxide in the atmosphere and emissions from energy use. Accessibility features: Caption	6-12	Video
Nuclear Reaction: Fission This video segment adapted from FRONTLINE looks at nuclear fission as an energy source that can be used to generate electricity. Accessibility features: Caption	6-12	Video
Nuclear Reaction: Three Mile Island This video segment adapted from AMERICAN EXPERIENCE examines the worst nuclear accident in U.S. history. Accessibility features: Caption	6-12	Video
Pennsylvania Energy: Biomass Many potential, renewable sources of biomass energy exist in Pennsylvania, especially on farms. This video profiles various facilities that make biomass energy, including biodiesel fuel. Biomass energy is important to the economy and the food supply. Accessibility features: Caption	6-8	Video
Pennsylvania Energy: Energy from the Sun In this video, an engineering design professor explains that solar energy can convert to heat, heat hot water, or convert to electricity. The video details how solar energy in a school and a prison decrease their energy consumption. Accessibility features: Caption	9-12	Video
Pennsylvania Energy: Wind This video suggests wind along the ridges of Pennsylvania could provide as much as 25% of the state's electricity while avoiding the creation of tons of CO2; the price for energy from a clean source like wind will come down as the demand goes up. Accessibility features: Caption	9-12	Video
Photovoltaics This animation shows how photovoltaic panels and their solar cells capture sunlight's energy and create electricity. Solar cells are designed to free electrons from absorbed photons with a positive and a negative layer that create an electric field. Accessibility features: Caption	9-12	Video
Smart Power Grid This video segment adapted from NOVA scienceNOW provides an overview of the existing United States power grid, and envisions a "smart" power grid that would prevent problems, such as blackouts, and reduce energy waste and pollution. Accessibility features: Caption	6-12	Video
Snapshot of U.S. Energy Use This video segment adapted from NOVA/FRONTLINE looks at American energy consumption and the resulting production of greenhouse gases. Accessibility features: Audio Description, Caption	3-12	Video
Solar Car In this video from DragonflyTV, follow the investigation of Isaac and Anjali as they record, measure, and analyze data about how the Sun's position in the sky affects a solar-powered car's speed. Accessibility features: Caption	4-8	Video
Solar House In this What's Up in the Environment? video segment, an electrical engineer in Virginia and his 13-year-old son explain how they produce electricity in their home. Accessibility features: Caption, Transcript	5-9	Video
Solar Paint Your Roof In this video segment adapted from NOVA, see how nanotechnology might be used to create a new, cheaper way to produce solar electricity for the home. Accessibility features: Caption	6-12	Video
Solar Panels for Your Home In this video segment adapted from NOVA, take a look inside a solar panel to see how it works, and hear firsthand about the benefits from homeowners who are using this technology. Accessibility features: Caption	6-12	Video
Solar Power This video segment from Vegas PBS shows the largest solar power system to date in the U.S. and explains how solar power can serve the needs of large-scale facilities and benefit the environment. Accessibility features: Caption	3-12	Video