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Here are some sites for students to research alternative sources of energy.
How BioDiesel Works
Curious about how corn can power a car? HowStuffWorks describes
how biodiesel works
in an informative article.
Alternative fuels are derived from resources other than petroleum. Some are produced domestically, reducing our dependence on imported oil, and some are derived from renewable sources. Often, they produce less pollution than gasoline or diesel.
How do electric cars work?
Like the more conventional energy resources, alternative energy can also come from underground. Geothermal energy refers to energy generated from heat contained within the Earth. The Web sites in this section discuss
in great detail.
Hydrogen is the simplest element. Each atom of hydrogen has only one proton. It is also the most plentiful gas in the universe. Stars like the sun are made primarily of hydrogen.
Hydropower traces its roots to the water wheels used by ancients Greeks. Today, China’s Three Gorges Dam is the largest electricity-producing power plant in the world. By harnessing the power of rivers and oceans, scientists have been able to create a sustainable energy source from water. Read on to learn more about
The sun has produced energy for billions of years. Solar energy is the sun’s rays (solar radiation) that reach the Earth. This energy can be converted into other forms of energy, such as heat and electricity.
Wind is simply air in motion. It is caused by the uneven heating of the Earth's surface by the sun. Because the Earth's surface is made of very different types of land and water, it absorbs the sun's heat at different rates. One example of this uneven heating can be found in the daily wind cycle.
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