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30 Cards in this Set
- Front
- Back
Lattitude
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Imaginary lines that run east to west but measure north to south.
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Longitude
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Run North South and measure East to West
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Polaris
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(North Star) Lattitude determined from the altitude of Polaris
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The sun rises in the _____.
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East
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The sun sets in the _____.
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West
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Which way does the earth rotate? (clockwise or counterclockwise?)
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counterclockwise
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What is the Earth's rotation rate?
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15 degrees per hour
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0 degrees Longitude is the _____ __________.
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Prime Meridean
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The International Date line in _____ degrees longitude.
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180
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Greenwich meantime is also known as _______.
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Zulu time
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What is the actual shape of the earth?
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Oblate Spheroid
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What is an oblate Spheroid?
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Flattened at the poles and bulging at the equator.
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Evidence of the Earth's Shape:
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-Ships "disapearing"
-eclipses -photos from space -observations of the altitude of polaris |
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What is a perfect example of the Earth's shape?
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Ping Pong ball
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Releif
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Change in elevation
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Solar Noon
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the time when the sun is the highest in the sky at any given location
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Clock time
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Based on 0 degrees Longitude and the distance in degrees east or west longitude from the Prime Meridean
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Will the sun ever be directly overhead in NY?
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no
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The sun is always in the _______ part of the sky.
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southern
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What are the earth's three spheres?
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Atmoshere,lithosphere,hydrosphere
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Which of the spheres is solid? Liquid? gas?
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Solid-Lithosphere
Liquid-Hydrosphere Gas-Atmosphere |
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feild
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a region of space with a measurable quantity at every point
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Isolines
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lines that connect points of equal feild value on a map
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Contour Lines show______.
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elevation
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Isobars show _____.
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pressure
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Isotherms show _______.
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Temperature
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Scalar feild
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a feild that has only magnitude, no direction (elevation, temperature, pressure)
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Vectar Feild
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a feild that shows magnitude and direction (wind)
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What is the formula for gradient?
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Change in Feild Value
G= Distance |
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What is profile?
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Side View of an area in elevation
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