TITLE

SOURCES OF ENERGY

PUB. DATE
January 2004
SOURCE
World Almanac for Kids;2004, p62
SOURCE TYPE
Almanac
DOC. TYPE
Article
ABSTRACT
The article looks at sources of energy on Earth. Fuels are called 'fossil' because they were formed from ancient plants and animals. The three basic fossil fuels are coal, oil, and natural gas. Most of the energy we use today comes from these sources. All fossil fuels have one problem: they are gradually getting used up. There are special problems about oil, because industrial countries must often import lots of it and can become greatly dependent on other countries for their supply. Nuclear power is created by releasing energy stored in the nucleus of an atom. Many countries today use nuclear energy. Nuclear power does cause some safety concerns. An accident at Chernobyl in Ukraine in 1986 led to the deaths of thousands of people. Water power is energy that comes from the force of falling or fast-flowing water. People have used wind as energy for a long time. Windmills were popular in Europe during the Middle Ages. Geothermal energy is heat from the Earth. Burning wood and straw (materials known as biomass) is probably the oldest way of producing energy. Recently, a biomass power plant was opened in Burlington, Vermont. It turns wood chips, solid waste, and switchgrass into a substance similar to natural gas. Energy directly from sunlight is a promising new technology. Solar energy is friendly to the environment.
ACCESSION #
11074783

 

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