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Kids Want To Know: Why Do Seasons Change?

6:03 PM, Jul 12, 2013   |    comments
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Greensboro, NC -- It doesn't seem to matter what age you are, kids or grownups want to know one specific question.

And that is: when does the rainy season stop? We know meteorologists would like to be able to answer the question and be done with it. No luck. But today's Kids Want to Know question is a bit easier to answer. Mason Rispoli asked, "My name is Mason and my question is how do seasons change?"

We're not even into a full month of summer yet. Fall seems far off (it starts September 22nd this year) so, why do the seasons change?

Roger Joyner with the Greensboro Science Center gave us our answer. "We have seasons for two reasons. One because the earth revolves around the sun, and second because it's axis of rotation is tilted."

The axis of rotation is how it spins once every 24 hours and this axis always points in the very same direction, toward the north star. 

Joyner said since we live in the northern hemisphere, in the summer time, the sun's off to our right, pointed more towards the sun. So we get more sunlight, longer days and its more directly shining down on us.

Six months from now, Joyner said we're going to go all the way around to the opposite side, pointed away from the sun. We're still pointed in the same direction, but now the sun's on the opposite side. So we don't get as much sunlight, its not as directly shining down on us and the days are shorter.

To sum it all up, he said, "It all has to do with the tilt of the earth. If we had no tilt, we would have no seasons."

Parents, don't forget, your kids can ask their questions. Just follow this link and upload their question.

WFMY News 2

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