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Earth Science > Chapter 6: Maps > Flashcards

Chapter 6: Maps Flashcards

1
Q

An absolute position on a map using coordinates of longitude and latitude

A

Location

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2
Q

A method for determining the map location of a point from knowing the distance between that point and three other points

A

Triangulation

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3
Q

The location of one object in relation to another

A

Direction

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4
Q

An instrument containing a magnetized needle that shows the direction of magnetic north and bearings from it

A

Compass

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5
Q

Figure on a map for displaying locations of north,south,east,west

A

Compass Rose

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6
Q

The direction along the earth’s surface towards the geographic North Pole

A

True North

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7
Q

The direction of the needle in a compass points

A

Magnetic North

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8
Q

Angle between True North and Magnetic North

A

Magnetic Declination

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9
Q

The location of a place between the north and South Pole relative to the equator. These are parallel lines that run east and west buy measure north and south of the equator

A

Latitude

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10
Q

The location of a place relative to the Prime Meridian. These lines are half circles. They run NORTH and SOUTH measure EAST and WEST of the prime meridian

A

Longitude

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11
Q

Height of a feature measured relative to sea level

A

Elevation

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12
Q

The study of the arrangement of the natural and artificial physical feature of an area

A

Topography

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13
Q

The difference in elevation between the highest and lower points Ina region; AKA Terrain

A

Relief

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14
Q

A 2- dimensional representation of earth’s surface

A

Map

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15
Q

A method for representing part of the surface of the earth or a celestial sphere on a plane surface

A

Projection

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16
Q

A cylindrical projection that was developed for navigation purposes

A

Mercator Projection

17
Q

A projection based on a cone which either touches the surface the surface of the globe in a circle, or interests the globe in two circles, passing through it

A

Conic Projection

18
Q

A projection that transforms all or part of the spherical surface onto a plane based on one point of contact w/ the globe

A

Gnomonic (planer) projection

19
Q

Two dimensional representations of earth’s three dimensional surface using contour lines to indicate elevation

A

Topographic Map

20
Q

An imaginary line on the surface of the earth connecting points of equal elevation

A

Contour line

21
Q

The difference in elevation between any two adjacent contour lines

A

Contour Interval

22
Q

Every FOURTH or FIFTH contour line on a map which is BOLD and LABELED

A

Index contour

23
Q

A closed contour in which the find is at a lower elevation than than the outside. The closed loop will have hachure marks on the inside of the loop

A

Depression Contour

24
Q

A point on a map where the elevation is given to the nearest foot and a bronze disk is placed at the location

A

Benchmark

25
Q

Relationship between distances on a map to the corresponding distance in real life

A

Map Scale

26
Q

A topographic map with contour lines represent a depth below sea level rather than height above

A

Bathymetric Map

27
Q

A map showing the geologic features of a region such as rock units in a given area

A

Geologic Map

28
Q

A small object that orbits a larger object

A

Satellite

29
Q

A satellite at just the right distance above earth which is 36000 km and does not move

A

Geostationary orbit

30
Q

A set of satellites that allowed a receiver to know its exact location. GPS detects radio signals from at least 4 nearby GPS satellites and triangulate the data to calculate distance

A

Global Positioning System ( GPS)

31
Q

Use exact geographic locations from GPS receivers along with any type of spatial information to create maps and images

A

Geographic information system

Earth Science (5 decks)

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