Chapter 3 vocab
Terms
undefined, object
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- false-color image
- a computer image that assigns distinctive colors to different wavelengths, of light reflected from a distant object, delineating surface features; used frequently in satellite images of Earth from space. (page 49)
- USGS
- United States Geological Survey
- survey
- a general or comprehensive study
- crater
- a bowl-shaped depression on the surface of a moon or planet.
- radar
- a method of detecting distant objects and recording their features and properties by analysis of electromagnetic waves reflected from their surfaces. (page 48)
- cartographer
- a mapmaker (page 44)
- hemisphere
- the divided two halves of Earth. (page 45)
- equator
- the imaginary line dividing the Northern and Southern Hemispheres. (page 45)
- result
- what is caused; the outcome
- feature
- to depict or outline features of
- contour lines
- lines on a topographic map showing elevation of land above or below sea level, all points connected by a line having the same elevation. (page 53)
- degree
- a unit of measurement
- longitude
- North- south lines parallel to the prime meridian. (page 46), North- south lines parallel to the prime meridian. (page 46)
- surface
- extent or area of outer face.
- area
- total surface, measured in square units
- latitude
- East-west lines parallel to the equator. (page 46)
- interpret
- to give or provide the meaning of.
- vantage point
- a position allowing a clear view
- intersection
- a point where lines intersect
- contour interval
- the difference in elevation between two consecutive contour lines. (page 54)
- photograph
- an image, recorded by a camera and reproduced on a photosensitive surface.
- globe
- a three-dimensional representation of Earth
- scale
- an instrument measuring weight
- map scale
- a scale that shows how the map's features compare in size with the Earth's surface. (page 46), a comparison of the map's features with the actual size on Earth's surface, pg. 46
- topography
- all natural and human-made features of a particular area. (page 53)
- map
- a two-dimensional representation of Earth's surface (page 44), a two-dimensional representation of Earth's surface (page 44)
- magnetic declination
- the angle by which the compass needle varies from the true north. (page 56)
- erosion
- the removal and transport of materials by natural agents such as wind and running water
- electromagnetic waves
- waves generated by an oscillating electric charge
- quadrangle
- a plane figure having four angles and four sides, as a square.
- region
- a particular area or part of the world
- graticule
- a grid that divides up the planet and gives each point a unique and unchangeable "address."
- increments
- the process of increasing in number, size, quantity, or extent.
- depression
- an area sunk below its surroundings
- grid
- a network of horizontal and vertical lines that provide coordinates for locating points on an image
- isobath
- an imaginary line or one drawn on a map connecting all points of equal depth above or below sea level
- slope
- the steepness of a landscape, calculated as the change in elevation divided by the distance covered
- projection
- a representation of the spherical Earth on the flat plane of a map. (page 44)
- graph
- a drawing that exhibits a relation ship between two sets of numbers.
- relief
- high's and lows of Earth's surface
- elevation
- height of a land mass above or below sea level.
- tool
- an instrument
- radio
- way of sending sounds through space by electromagnetic waves
- topographic map
- A map that uses contour lines and symbols to show the surface features of a particular area. (page 53)
- prime meridian
- is what the Eastern and Western Hemispheres are divide by. (page 45)
- depth
- extent downward or backward or inward
- volcano
- a opening in the earth's crust (or in the surface of some other planet) through which molten lava and gases erupt
- fossil
- the remains, impression, or any other evidence of life from another geologic age preserved in rock.
- depict
- describe
- index contours
- reference points on a topographic map