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15 Cards in this Set
- Front
- Back
Celestial grid system |
The celestial sphere is the imaginary dome on which the stars and planets appear in the night sky; to locate a celestial object, a person must first know his or her zenith |
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electromagnetic radiation |
A kind of radiation including visible light, radio waves, gamma rays, and x-rays, in which electric and magnetic fields vary simultaneously |
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Electromagnetic spectrum |
The range of wavelengths or frequencies over which electromagnetic radiation extends |
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Equator |
Imaginary line is exactly halfway between the north and south poles and has a latitude of 0 degrees because you are looking straight ahead at an angle if 0 degrees |
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Latitude |
Refers to distances north and south of the equator |
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Longitude |
Refers to distances east and west of the prim meridian |
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Map |
Flat models of Earth's round surface, thus all maps contain some sort of distortion; a picture or representation of Earth's surface, showing how things are related to each other by distance, direction, and size |
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Map projection |
Used to portray all or part of the round Earth on a flat surface |
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Map scale |
Determine the distance |
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Meridians |
Longitude lines |
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Phytoplankton |
Tiny plant-like organisms in the ocean |
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Remote sensing |
Gathering data about Earth from far above is called |
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Satellites |
Remote sensors that collect information about the planet without physically contacting it |
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Topographic maps |
Show a 3 dimensional world in 2 dimensions by using contour lines |
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Zenith |
The imaginary point on the celestial sphere located directly above his or her head |