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| Substances that provide energy as the result of a chemical change are called |
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| The process of burning a fuel to change chemical energy into thermal energy is called |
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| In an electric power plant, turbines are turned using which type of energy from steam? |
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| Fossil fuels are energy-rich because they contain |
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| Coal is a solid fossil fuel formed from |
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| The most plentiful fossil fuel in the United States is |
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| Factories where crude oil is separated into fuels and other products are called |
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| Which fossil fuel produces the lowest levels of most air pollutants? |
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| Fossil fuels are considered nonrenewable resources because they |
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Definition
| take hundreds of millions of years to form |
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| What is the result of using fossil fuels more rapidly than they are formed? |
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| The reserves will eventually be used up |
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| True/False: A fuel is a substance that provides energy as a result of a chemical change. |
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| In the United States, the fossil fuel that is present in the largest amount is natural gas. |
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| Fossil fuels are considered to be nonrenewable because they form at a slower rate than that at which they are used. |
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| The process of burning gasoline in a car engine to release energy is called ____________________. |
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| In a power plant, fuel is burned to boil water, producing ____________________ which then turns the blades of a turbine. |
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| Fossil fuels are made of energy-rich chemical compounds called ____________________. |
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| A liquid fossil fuel formed from the remains of animals, algae, and protists is ____________________. |
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| Petrochemicals are compounds that are made from the fossil fuel ____________________. |
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| Crude oil is made into useful products in a factory called a(n) ____________________. |
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| If fossil fuels continue to be used more rapidly than they are formed, the reserves will eventually be ____________________. |
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| One home is heated by burning wood in a fireplace, while another similar home is heated by burning oil. Which method uses less fuel? Why? |
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| Burning oil requires less fuel than burning wood because fossil fuels like oil contain more energy-rich hydrocarbons than wood. The heating value of oil is more than three times greater than that of wood. |
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| Why must the United States purchase oil from other countries? What problem can this situation sometimes cause? |
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| The United States uses more oil than it can provide from its own reserves. This can cause political problems if oil-supplying nations decide to reduce the amount exported to the United States. |
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| The three major fossil fuels are coal, oil, and |
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| What is one advantage of solar energy? |
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| It will not run out for billions of years. |
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Which of the following converts light from the sun into thermal energy and distributes the heat using pumps and fans?
a)passive solar system
b)active solar system
c)solar plant
d) solar cell |
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| True/False:Solar cells are sometimes used to power passenger trains. |
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| False: but they do power some calculators, lights, and telephones. |
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| Wind energy is an indirect form of _______ energy. |
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| What is the most widely used source of renewable energy in the world today? |
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| Hydro electric power (water turns a turbine which rotates a magnet inside of copper wires thereby inducing electrons to produce electricity). |
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Term
Which of these is an example of a biomass fuel?
oil, natural gas, wood, coal |
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| Intense heat beneath the Earth's surface can be a source of _____ energy. |
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| True/False: Energy conservation means reducing energy use. |
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| In a nuclear power plant, what is used to turn water into steam? |
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Definition
| Heat released from nuclear fission reactions |
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| True/False: A turbine that produces electricity when turned by moving water provides solar power. |
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Definition
| False: it provides hydroelectric power. |
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| True/False: Natural gas is more likely to cause air pollution that coal or oil. |
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| False, it is less likely. |
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| A solar plant consists of giant ______ that are used to focus the sun's rays to heat water. |
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| In a nuclear power plant, thermal energy released by _______ reactions is used to change water into steam. |
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[image]
Which letter identifies the reactor vessel, and what takes place there? |
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| Letter B, and nuclear fission reactions happen there! |
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| Essay: Briefly explain how wind energy can be used to produce electricity. |
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Definition
| Look in your textbook and write the answer on a sheet of paper. Turn it in to me. |
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| Essay: Why must the US purchase oil from other countries? What problem can this situation sometimes cause? |
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| Look in your textbook and on the internet to find an answer. Write it down and turn it in to me. |
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Term
| In a nuclear power plant, what is used to change water into steam? |
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Definition
| Heat released from nuclear fission reactions. |
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| What does energy conservation mean? |
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| Reducing energy use (saving energy). |
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| the percentage of energy that is actually used to perform work |
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| What is one example of an energy-efficient device: a fluorescent light bulb, a drafty window, an incandescent light bulb, or a gasoline powered car? |
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| True/False: Recycling aluminum soda cans is an example of energy conservation. |
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| True/False: The cadmium in the control rods slows down a nuclear fission reaction by absorbing neutrons. |
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| True/False: Incandescent lightbulbs are less efficient than compact fluorescent bulbs. |
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| In a nuclear power plant, thermal energy released by _________ reactions is used to change water into steam. |
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| Taking a bike ride instead of a car ride is practicing energy _________, which helps save fuel for the future. |
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| One way to get more out of fuels is to increase __________, the percentage of energy used for work. |
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