Shared Flashcard Set

Details

Sun and Seasons (Semester 2)
Final Study/Hunsicker
25
Science
10th Grade
06/11/2008

Additional Science Flashcards

 


 

Cards

Term
Zenith
Definition
Term used when sun is directly overhead (90 degrees angle of inclination)
Term
Summer Solstice
Definition
June 21; time when sun at zenith over Tropic of Cancer
Term
Tropic of Cancer
Definition
23 degrees N latitude
Term
Arctic Circle
Definition
66 degrees N latitude
Term
Angle of Inclination
Definition
Number of degrees sun is above the horizon; determines temperature
Term
Equator
Definition
Another name for 0 degrees latitude (divides earth into hemispheres)
Term
North Pole
Definition
90 degrees N latitude (0 degrees solar inclination at Equinoxes)
Term
Tropic of Capricorn
Definition
23 degrees S latitude
Term
Vernal Equinox
Definition
March 21; time when sun is at zenith over the equator
Term
South Pole
Definition
90 degrees S latitude
Term
Winter Solstice
Definition
Dec. 21; time when sun at zenith over Tropic of Capricorn
Term
Autumnal Equinox
Definition
Sept. 22; time when sun at zenith over the equator
Term
Revolution
Definition
Movement of earth in orbit around the sun (365 days)
Term
Rotation
Definition
Spinning of earth around its axis; causes day and night
Term
Axis
Definition
Line through earth from North to South Pole
Term
Daylight
Definition
Time between sunrise and sunset (12 hours at Equinoxes)
Term
Temperate Zone
Definition
Region of earth between 23 degrees and 60 degrees N and S latitudes
Term
Tropical Zone
Definition
Region of earth between 23 degrees N and 23 degrees S (little seasons)
Term
Climate
Definition
Summation of weather conditions over a period of years
Term
Biome
Definition
Large land region marked by a particular climatic regime
Term
Weather
Definition
Condition of atmosphere at a particular time and place
Term
Perihelion
Definition
Rotation of earth when closest to sun (Jan. 3)
Term
Aphelion
Definition
Position of earth when farthest from sun (July 4)
Term
Antarctic Circle
Definition
66 degrees S latitude
Term
Radiation
Definition
Electromagnetic rays emitted by sun through atmosphere
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