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EXPLANATION TEXT

December 9, 2010 1 comment

Explanation text in some way is similar to procedure text. Explanation passage often makes description about how something happens or why the thing occurs. While procedure text bring the instruction on how to make something happen completely. The following example of explanation text about how rain happen is best showing on what is explanation text, what is the purpose or social function of explanation text and how it differ from other text types. Explanation text often use technical terms related to the thing which is being explained. Explanation text is commonly compose in the mode of simple present tense. Here are the examples:

#1 How does Rain Happen?

Rain is the primary source of fresh water for most areas of the world, providing suitable conditions for diverse ecosystems, as well as water for hydroelectric power plants and crop irrigation.
The phenomenon of rain is actually a water circle. The concept of the water cycle involves the sun heating the Earth’s surface water and causing the surface water to evaporate. The water vapor rises into the Earth’s atmosphere. The water in the atmosphere cools and condenses into liquid droplets. The droplets grow until they are heavy and fall to the earth as precipitation which can be in the form of rain or snow.

#2 Tsunami

The term of “tsunami” comes from the Japanese which means harbor (“tsu”) and wave (“nami”). A tsunami is a series of waves generated when water in a lake or a sea is rapidly displaced on a massive scale.

A tsunami can be generated when the sea floor abruptly deforms and vertically displaces the overlying water. Such large vertical movements of the earth’s crust can occur at plate boundaries. Seductions of earthquakes are particularly effective in generating tsunami, and occur where denser oceanic plates slip under continental plates.

As the displaced water mass moves under the influence of gravity to regain its equilibrium, it radiates across the ocean like ripples on a pond.

Tsunami always brings great damage. Most of the damage is caused by the huge mass of water behind the initial wave front, as the height of the sea keeps rising fast and floods powerfully into the coastal area.

Source:
http://understandingtext.blogspot.com/

http://mypages.iit.edu/~smart/abduima/lesson2.htm

http://en.wikipedia.org/wiki/Rain

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