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Reasons for Seasons

Scientific explanation of how we have different seasons

Emily McReynolds

on 12 December 2012

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Transcript of Reasons for Seasons

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli Scientific Explanation Reasons for Seasons Why do we have different seasons? The answer is simple. We have different seasons because the earth is tilted at an angle as it travels.

The earth revolves around the sun; this takes one year. Why do we have seasons? Fun Facts Why is the North Pole never cold?
Since the tilt of the earth's axis is 23.5 degrees, the North Pole never points directly at the sun.

How do seasons impact our lives?
This ranges from the food we eat, the drinks we drink, the clothes we wear and the activities we take part in. We even listen to different music during the different seasons. For most people there are four seasons, winter, spring, summer, and autumn.

When the northern half of the earth leans closer to the sun, it becomes warmer. This season is called summer. While this is happening in the north, it is winter in the southern hemisphere.

Six months later, the northern half of the world tilts away from the sun and it becomes cooler. It is now winter. When this happens, the southern hemisphere is leaning closer to the sun as it becomes warmer. What are the different seasons? Emily McReynolds There are three reasons we have seasons:

Revolution- the Earth always revovles around the Sun
The North Pole always points in the same direction
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