Essays Tagged: "Solar Energy"

Geothermal Energy

for energy. There are many possibilities such as hydroelectric energy, nuclear energy, wind energy, solar energy and geothermal energy to name a few. Each one of these choices has its pros and cons. H ... antities of power with relative efficiency, it is very hard to dispose of the waste. While wind and solar power have no waste products, they require enormous amounts of land to produce any large amoun ...

(19 pages) 219 1 4.8 Sep/1996

Subjects: Science Essays > Chemistry

The different sources of energy.

Solar Energy: Solar energy is the solar radiation (from the Sun) that reaches the earth. People have ... earth. People have devised two main types of artificial collectors to directly capture and utilize solar energy: flat plate collectors and focusing collectors.Flat plate collectors: These collectors ... cusing collector can provide a temperature as high as 4000 o C. The high temperature is ideal for a solar furnace that provides contaminant-free environments for research and industrial use.Disadvanta ...

(6 pages) 294 1 3.6 Jun/2003

Subjects: Science Essays > Physics

The green house effect, ozone depletion, and soil salinity and degradeation.

40 percent or so reaches the earth's surface. The earth's surface reflects about 15 percent of the solar energy that reaches it, back toward space. The remaining energy heats the lands and seas. The ...

(5 pages) 129 0 4.3 Jun/2003

Subjects: Science Essays > Environmental Science

Solar Energy

Tran 1 Solar Energy About 47 percent of the energy that the sun releases to the earth actually reaches the ... he ground. About a third is reflected directly back into space by the atmosphere. The time in which solar energy is available, is also the time we least need it least - daytime. Because the sun's ener ... e need to convert the suns energy into an energy that can be stored. One possible method of storing solar energy is by heating water that can be insulated. The water is heated by passing it through ho ...

(6 pages) 137 1 1.0 Nov/2003

Subjects: Science Essays > Physics

The structure and composition of the atmosphere

y able to see what occurs fairly close to the ground. Life on Earth is supported by the atmosphere, solar energy, and our planet's magnetic fields. The atmosphere absorbs the energy from the Sun, recy ... us, due to the absorption of ultraviolet radiation. The ozone layer, which absorbs and scatters the solar ultraviolet radiation, is in this layer. Ninety-nine percent of "air" is located in the tropos ...

(2 pages) 118 4 4.8 May/2004

Subjects: Science Essays > Environmental Science

Solar Power

All life on Earth depends on energy from the sun. Solar energy is the source of energy for photosynthesis. It provides the warmth necessary for plants ... me an increasingly attractive source for small amounts of needs. A number of devices for collecting solar energy and converting it into electricity have been developed, and solar energy is used in a v ... converting it into electricity have been developed, and solar energy is used in a variety of ways. Solar energy is used to heat houses, and in many countries specially designed solar ovens are used f ...

(2 pages) 96 1 4.3 May/2004

Subjects: Science Essays

Hydrogen Fuel --- the Future's new way of Electricity?

ll we keep using fossil fuel? When the world is out of fossil fuel, what would we use? Electricity? Solar energy? What could create a huge amount of energy with unlimited resources and clean exhaust? ...

(2 pages) 75 0 5.0 Jun/2004

Subjects: Science Essays > Physics

Black Mountain Herb - Part 1

elow me came to a stop. We do not allow anyting up here that creates pollution, our cars are run on solar energy up here. Comfortable and green, the cars were probably the first calming influence in t ...

(6 pages) 26 0 4.2 Jul/2004

Subjects: Literature Research Papers > Creative Writing

Miller 12th Edition Chapter 1 Outline Living In The Environment Principles, Connections, and Solutions.

nts and animalspovertypollutionII. We use natural resources to support our existence and lifestyles:solar capitalnatural capitalsolar energyIII. An environmentally sustainable society is an ideal soci ... RESOURCESI. There are three types of material resources we get from the environment:perpetualdirect solar energywindstidesflowing waterrenewableforestsgrasslandswild animalsfresh waterfresh airfertile ...

(3 pages) 64 0 5.0 Sep/2004

Subjects: Science Essays > Environmental Science

ECOSYSTEMS: Estuaries, Swamps and Marshes, Tropical rain forests, Temperate Forests, Taiga, Savanna, Continental shelf, Tundra, Desert, Temperate Grassland.

onsisting of dead organic matter and nutrients in the soil and water. Inputs into the ecosystem are solar energy, water, oxygen, carbon dioxide, nitrogen, and other elements and compounds. Outputs fro ... , and the heat released in cellular respiration, or heat of respiration. The major driving force is solar energy.Biology is a relatively new science. Other sciences, like philosophy have roots dating ...

(25 pages) 136 0 2.0 Mar/2005

Subjects: Science Essays > Environmental Science

Alternative and Renewable Energy Includes Bibliography

e his commitment to the furthering of hydrogen power, while Kerry hinted at his support of wind and solar energy, in an attempt to gain more votes. The election is over and the dust has settled. Where ... mplement renewable and alternative energy technologies, non-existent? Nuclear, hydropower, biomass, solar, wind, tidal power, wave power, ocean current power and the energy represented by vertical tem ...

(8 pages) 207 0 3.2 Mar/2005

Subjects: Science Essays > Technology

The four natural physical spheres are: Lithosphere, Atmosphere, Hydrosphere, and Biosphere

ly thinning with increased altitude. It is a very dynamic sphere, kept in almost constant motion by solar energy and Earth's rotation.Hydrosphere (hydro is Greek for water)Comprises water in all its f ...

(1 pages) 6386 3 1.0 Mar/2005

Subjects: Science Essays > Environmental Science

Greenhouse effect, chemistry aspects and effect on human society

e garden warms the air inside its glass walls. Instead of glass, the gases in the atmosphere let in solar energy in the form of short-wave, infra-red radiation, yet prevents the re-radiated long-wave ... ltraviolet, and the rest is a combination between visible and infrared energy.From 100% of incoming solar radiation:· 20 % is absorbed by the clouds and atmosphere· 25% is reflected by c ...

(10 pages) 90 1 3.7 May/2005

Subjects: Science Essays > Chemistry

The History of the Radio.

that can be harnessed and converted to a useable form. One great source of renewable energy is the Solar Energy for our sun. This energy can be converted to a usable form in a variety of ways. I will ...

(7 pages) 22 0 5.0 Sep/2005

Subjects: Science Essays > Technology

Antarctic Ozone Hole

heir goal of these observations was to better understand the role that the ozone plays in absorbing solar energy and determining the temperature profile for the stratosphere. Through their investigati ...

(2 pages) 26 0 4.3 Mar/2006

Subjects: Science Essays > Atmospheric Sciences


sing the process known as photosynthesis, in which carbon dioxide is taken from the air by means of solar energy to yield the carbohydrates as well as all the other chemicals needed by the organisms t ...

(1 pages) 48 0 0.0 Mar/2006

Subjects: Science Essays > Biology

Wind Energy: A Renewable Energy

bly improve the condition of our environment.There exists numerous kind of renewable energy such as solar energy, biomass, geo energy, water power, bio energy, geothermal heat, ocean energy such as en ...

(7 pages) 227 2 2.5 Apr/2006

Subjects: Science Essays > Environmental Science

Measurement of the structure and composition of the Earth's atmosphere

y able to see what occurs fairly close to the ground. Life on Earth is supported by the atmosphere, solar energy, and our planet's magnetic fields. The atmosphere absorbs the energy from the Sun, recy ... 0 km above the Earth. Temperatures increase with altitude up to 2000°C due to the absorption of solar radiation by the small amount of oxygen still present. In this region of the atmosphere, ultra ...

(4 pages) 34 0 0.0 May/2006

Subjects: Science Essays > Earth Sciences > Meteorology

Renewable Energy (Solar and Hydro) Research Assignment

, how they produce electricity, facts and stats, environmental impact, advantages and disadvantages.Solar and hydro power are advantageous, easy to acquire and eco-friendly sources of power. They are ... itted over a grid system like the energy produced by using fossil fuels. You can create just enough solar electricity to power your house or just enough hydroelectricity to power a small community. So ...

(10 pages) 143 0 3.0 Mar/2007

Subjects: Science Essays > Environmental Science


energy from which is available on Earth in the form of electromagnetic radiation. The center of our Solar System fuels most types of our "renewable" energy resources. The simplest use of the Sun is to ... n the future. In some applications, however, it is the most economical alternative; and, of course, solar energy will be available for another five billion years! Solar power is energy from the sun. T ...

(3 pages) 860 0 0.0 Apr/2001

Subjects: Science Essays > Astronomy