Contoh Text Explanation: How the Tornado Happens

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How the Tornado Happens

Tornado is the most damaging storm.The word tornado come from Spanish “Tronada” that mean thunder storm. Also come from Latin language ”Tonare” which mean rumbling. According to the story,the word tornado was taken from combination between ronada and Tornar in Spanish. Tornado is air column which rotate very fast and form relation between cumulonimbus cloud. Usually tornado has wind velocity between 177 km/hours or more with reach average 75 meters and attack several kilometers before disappearing.

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Contoh Explanation Text: How Rainbow is Formed

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How Rainbow is Formed

Rainbow is one of  optic phenomena that happens in the atmosphere of the earth naturally. We can see it at mountin range, or  when it is cloudy, or  when it is raining and rising of sun. We have to be the other side for looking.  We  just can see it a half of circle form, but acctually the rainbow is a circle form. We can see it perfectly, if it is seen by standing in the high place. It is real that rainbow is a circle form not like parabola form.

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Contoh Text Explanation: How does Rain Happen?

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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.

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Contoh Text Explanation: How Cell Phones Work

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How Cell Phones Work

A cell phone is a great gadget in this modern world. What is a cell phone? A cell phone is actually a radio in certain way. Like a radio, by a cell phone we can communicate to other people in real time. Million people use cell phone for their communication. Even nowadays, people use cell phones to communicate in voice, written and data. Alexander Graham Bell is the person who make great change in the way people communicate to each other.

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Contoh Explanation text : Flood

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Explanation text : Flood

Flood is an overflow of water that submerges the land. Usually occurs because of heavy rain. Another cause is due to sea tide. But we hear most often floods often occur due to overflow of river water.Flood occurred in the river when water flow exceeds the capacity of river channels, especially at the corners. So for people who have homes or businesses close to the natural flood of the river often get losses. They have homes and businesses near the river because of the benefits and convenience aspects. Flood is also a seasonal problem that occurs in big cities with less or no drainage system.

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Contoh Explanation text : Volcano Eruption

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Explanation text : Volcano Eruption
          
           Do you know what a volcano is? I guess you all know volcano is a mountain with magma inside it. Most volcanoes are formed on land, but there are some volcanoes that are on the ocean floor. You know the famous volcanoes in Indonesia, right? Yes, there are Mount Merapi and Mount Krakatau. Mount Merapi was erupt in October 2010 and Mount Krakatau was erupt in 1883. The eruptions are really massive and destructive. Do you want to know how is the volcano erupting? Well, let me explain to you.

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Contoh Text Explanation: How is a Kite Flying?

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How is a Kite Flying?

A kite is an object which is made from a light material stretched over a frame. Due to its light material a kite will lift off the ground and fly when it is tilted into the wind.

A kite is uses wind to make it fly because it is heavier than air. When wind travels over the surface of the kite, it is split into two streams of air. One stream of the air goes over the kite while the second stream goes under the kite.

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Contoh Text Explanation: How Earthquakes Happen

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How Earthquakes Happen

Earthquake is one of the most destroying natural disasters. Unluckily it often happens in several regions. Recently a horrible earthquake has shaken West Sumatra. It has brought great damages. Why did it occur? Do you know how an earthquake happens?

Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves. It make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little. They don't just slide smoothly. The rocks are still pushing against each other, but not moving. After a while, the rocks break because of all the pressure that's built up. When the rocks break, the earthquake occurs.
 
During the earthquake and afterward, the plates or blocks of rock start moving, and they continue to move until they get stuck again. The spot underground where the rock breaks is called the focus of the earthquake. The place right above the focus is called the epicenter of the earthquake.

Contoh Text Explanation : How do seasons happen?

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How do seasons happen?


Seasons come to us regularly. We have probably noticed that it gets warmer in summer or dry season while it get colder in the winter or wet season. However do we know how these seasons change?

Seasons happen and change every year. This happens because the earth tilts back and forth as it goes around the sun. During the summer, the earth tilts toward the sun

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Contoh Text Explanation: How Chocolate is Made

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How Chocolate is Made


Have we wondered how we get chocolate from? Well this time we will enter the amazing world of chocolate so we can understand exactly we are eating.
Chocolate starts a tree called cacao tree. This tree grows in equatorial regions, especially in place such as South America, Africa, and Indonesia. The cacao tree produces a fruit about the size of a small pine apple. In side the fruits are the tree's seeds. They are also known as coco beans.

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