Earth/Sun Relationship. Temperature The condition of the atmosphere at a given place and time.

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Presentation transcript:

Earth/Sun Relationship

Temperature The condition of the atmosphere at a given place and time.

Climate Weather patterns – weather conditions averaged over a long period of time. Includes rare events (hurricanes) and long term global changes.

What the is the Earth and sun relationship? b3wbk

Things you need to know! Rotation – The spinning of earth on its axis which takes exactly 24 hours/day.

Things you need to know. Revolution – The orbit of the earth around the sun which takes days = one year.

Things you need to know. Tilt – The earth is not completely upright. It is actually tilted at 23.5 degrees from perpendicular. –This is one of the main reasons for the seasons.

Seasons The Northern and Southern hemispheres have opposite seasons on the same dates.

Summer and Winter solstice Summer Solstice – June 21 st or 22 nd. All locations above the equator have day lengths greater than 12 hours. (longest day) –It is the exact opposite in the southern hemisphere. Winter Solstice – December 21 st or 22 nd. All locations north of the equator have days less than 12 hours. (shortest day) It is the exact opposite in the southern hemisphere.

Summer and Winter Solstice Why does the Northern Hemisphere have a longer day than the Southern Hemisphere during the June (Summer) Solstice? ___________________________________________________________________

Equinox means equal day and night. Autumnal and Vernal (Spring) – This is when we either have autumn or spring. Autumnal equinox is September 22 nd or 23 rd. Vernal (Spring) equinox is March 20 th or 21 st. The poles are not tilted toward or away from Sun.

Equinox Why do both equinoxes have equal days and night? __________________________________________

Latitudes Low Latitudes – Zone between tropic of cancer and Tropic of Capricorn. These are near the equator.

High Latitudes The poles - Have high numbers in latitudes. What do you think their climate will be like? ____________________________________

Mid - Latitudes Temperatures vary between hot and cold depending on the amount of direct sunlight or time of year. They have 4 distinct seasons.

Tropic of Cancer Currently lies 23° 26′ 22″ north of the Equator.°

Tropic of Capricorn It lies 23° 26′ 22″ south of the equator.°