Trabajo de ciencias naturales; why the summer is cold and the winter is cold? (en inglés)

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Un trabajo de ciencias naturales en inglés.
WHY THE SUMMER IS HOT AND THE WINTER IS COLD?

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Trabajo de ciencias naturales; why the summer is cold and the winter is cold? (en inglés)

  1. 1. HypotesisIt is all about the tilt of the Earths axis. Many people believe that thetemperature changes because the Earth is closer to the sun in summerand farther from the sun in winter. In fact, the Earth is farthest fromthe sun in July and is closest to the sun in January!During the summer, the suns rays hit the Earth at a steep angle. Thelight does not spread out as much, thus increasing the amount of energyhitting any given spot. Also, the long daylight hours allow the Earthplenty of time to reach warm temperatures.During the winter, the suns rays hit the Earth at a shallow angle. Theserays are more spread out, which minimizes the amount of energy thathits any given spot. Also, the long nights and short days prevent theEarth from warming up. Thus, we have winter![(VIDEO) http://www.youtube.com/watch?v=NydSuHoQZqk&feature=related ]

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