Why We Have Seasons Seasons are produced by the inclination of the earth's axis of rotation, with the yearly revolution around the sun. During the earth's yearly revolution around the sun, the northern and southern hemispheres alternate their incline towards and away from the sun. This unequal heating of the earth's surface causes the weather to change in approximately three-month periods. When the Northern Hemisphere is inclined toward the sun from about March 21st to September 23rd the earths surface is heated causing the seasons of spring and summer to occur. Meanwhile in the Southern Hemisphere the effects of fall and winter occur. The first three months are the season of spring and the second three months are the months of summer. The vernal equinox occurs when the sun is directly over the equator and it complies with the first day of spring. It also ....

Number Of Pages: 3

Number Of Words: 784

Got a term paper due soon and need some help quick? You have come to the right place. Essay Galaxy has over 50,000 essays, papers, and reports available for download right now! Get ideas from thousands students just like you to help make that essay perfect. Don't hesitate. Join today and get instant access to our enormous database.

Membership Options Price Savings   1 month subscription    $19.95 recurring * 3 months subscription    $39.95 recurring $19.90 6 months subscription    $69.95 non-recurring $49.75