Report Text Rainbow

REPORT TEXT RAINBOW

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PURPOSE

• To describe something in general

Use simple present tense General classification : introduce about something / phenomena that will be describe Description : describe something / phenomena that include the structure , quality, and behaviour

The Definition Of Rainbow

A rainbow is an optical and meteorological phenomenon that is caused by reflection of light in water droplets in the Earth's atmosphere, resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun.

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Classic rainbow Circular rainbow Secondary rainbow Red rainbow Sundog Fogbows Waterfall rainbow Fire rainbow moonbow

The process from rainbow • Rainbow is a large spectrum that happen because of the refraction of sunlight by drops of water. When sunlight through water droplets, it refracted. Some of the colored light is then reflected from the far side of the water droplets, back and out from water droplets. • The light came back out of the water droplets in different directions. Different wavelengths, will bring the colors of the rainbow are arranged with red top and purple on the bottom of the rainbow. Rainbow can only be seen when the rain along with the sun shining, but from the opposite side of the viewer.

How to see the rainbow The position of the observer must be between the sun and the water drops with the sun behind the person. The sun, the eye of the observer and the center of the arc rainbow shall be in a straight line. As a result, a rainbow formed from the results of refraction and the position of the observer