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Quiz: What You Don't Know About Wood Energy
You know that wood fires fueled civilization's advance from its earliest days, but how much do you know about how wood is used for heating, cooking, and electricity today?
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Quiz: What You Don't Know About Energy Vocabulary
You probably know words such as fracking and hydroelectricity, but how well do you really know the language that helps describe our energy landscape?
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Quiz: What You Don't Know About Flights and Fuel
You know that governments often take steps to support fuel production and power consumption, but how much do you really know about energy subsidies and their impact on the environment and the global economy?
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Quiz: What You Don’t Know About Space-Age Energy
For more than 50 years we've had the power—literally—to send robots and humans to explore the solar system. See how much you know about the energy innovations that are taking us to the stars and the ways space can affect power generation on Earth.
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Quiz: What You Don’t Know About Electricity
You know how much you rely on those wall outlets to stay cool, power your toys, and keep your food fresh. But how much do you really know about how electricity gets to your home?
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Quiz: What You Don't Know About Energy Subsidies
You know that governments often take steps to support fuel production and power consumption, but how much do you really know about energy subsidies and their impact on the environment and the global economy?
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Quiz: What You Don't Know About Food, Water, and Energy
You know that food gives you energy, and water is essential for life. But did you know how much energy and water go into the food you eat?
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Quiz: What You Don't Know About Cars and Fuel
You know how to put the pedal to the metal, but how much do you really know about cars and the energy that fuels them?
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Quiz: What You Don't Know About Nature's Forces of Energy
You've seen the havoc that nature can wreak, but have you ever considered how much energy is generated by hurricanes, volcanoes, or lightning?
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Quiz: What You Don't Know About Carbon Capture
How deep is your stored knowledge on the technology used to reduce the greenhouse gas emissions of fossil fuels?
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Quiz: What You Don't Know About Energy-Efficient Lighting
You know new light bulb rules are going into effect in many countries, but how much do you really know about the energy used to brighten your world?
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Quiz: What Happened in the World of Energy in 2011?
How closely did you follow the Fukushima Daiichi disaster, the controversy over natural gas "fracking," and the gyrations of the oil market in 2011? Try this quiz and see how much you know about this year's top energy news headlines.
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Quiz: What You Don't Know About Cities and Energy
You know it takes power to make the lights of the metropolis glimmer, but how much do you really know about cities and energy?
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Quiz: What You Don’t Know About Wind Energy
You've seen those tall white turbines turning on hillsides or on windy plains, but how much do you know about the energy captured from wind?
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Quiz: What You Don't Know About Biofuel
You know that liquids squeezed and distilled from plants are powering cars and trucks around the world, but how much do you really know about biofuel?
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Quiz: What You Don't Know About Water and Energy
You know that nuclear plants need water to keep reactors cool, but how much do you really know about the connection between our power supply and our waterways?
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Quiz: What You Don't Know About Solar Power
You've seen the panels on rooftops and mirrors in the desert. But how much do you really know about the technology needed to capture the tremendous power of the sun?
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Quiz: What You Don't Know About Air Conditioning
You know how much you rely on air conditioning to escape the summer heat. But what do you know about the energy that goes into keeping you cool?
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Quiz: What You Don't Know About Gas Prices
You know that the price of fuel seems to skyrocket every year just in time for summer vacation season. But how much do you really know about the forces behind the price at the pump?
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Quiz: How Much Do You Know About the Gulf Oil Spill?
Test your knowledge about the aftermath of the Deepwater Horizon oil rig explosion on April 20, 2010.
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Quiz: What Do You Know About Nuclear Power?
You know that the Fukushima Daiichi (pictured) is now the site of one of the worst nuclear power crises the world has ever faced, but how much do you really know about energy generated by fission?
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Quiz: What You Don't Know About World Energy
Test your knowledge of how the world's energy needs are growing, who's providing the fuel, and where are we mining new alternatives.
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Quiz: What You Don't Know About Home Heating
Test yourself on the ways humans have invented to keep warm, from clanky radiators to kerosene lamps to Ben Franklin's invention of the cast-iron furnace.
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Quiz: What You Don't Know About Natural Gas
Are you a natural when it comes to natural gas knowledge? Try this quiz and see how much you know about one of the world's fastest-growing fuel sources.
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Quiz: What You Don't Know About Oil Spills
How much do you know about the stuff spilling into the Gulf of Mexico? Find out by taking this quiz.
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Quiz: What You Don't Know About Energy
How much do you know about the power that keeps you cool in summer, cooks your meals every evening, and illuminates this computer screen?
Energy Video
The Big Energy Question
Has fracking changed our energy future for the better, or for the worse? Get experts' opinions and weigh in with your own.