Unit 0 Terms 2/2 Flashcards
A planet’s subsolar point passes through its Equator. The only time when both the Northern and Southern Hemisphere experience roughly equal amounts of daytime and nighttime.
Equinox
The point where the Sun appears to reach either its highest or lowest point in the sky for the year
Solstice
To move or shift so as to lean or incline
Tilt
An imaginary line around the middle of a planet or other celestial body
Equator
The line of 0° longitude, the starting point for measuring distance both east and west around Earth
Prime Meridian
The parallel of latitude that is approximately 66¹/₂ degrees north of the equator and that circumscribes the northern frigid zone
Arctic Circle
A parallel of latitude on the Earth at approximately 66.5 degrees south of the equator
Antarctic Circle
An imaginary line, at an angle of 23.50 degrees North from the Equator, passes through the middle of India.
Tropic of Cancer
The parallel of latitude that is approximately 23¹/₂ degrees south of the equator and that is the southernmost latitude reached by the overhead sun.
Tropic of Capricorn
A period of the year that is distinguished by special climate conditions (spring, summer, fall, and winter)
Seasons
The movement of the Earth around the Sun. The Earth takes a full year (365 days) for one complete (_____) around the Sun.
Revolution
The circular motion of an object around its center. It takes the Earth 24 hours to ____ on its axis.
Rotation
The measurement of distance north or south of the Equator.
Latitude
Measurement east or west of the prime meridian. (Up and down)
Longitude
Made up of the parts of Earth where life exists—all ecosystems.
Biosphere
