Science Class Chapter 3 Notecards

Front 1

Parallel

Back 1

Any circe that runs east and west around the Earth that is parallel to the equator

Front 2

Latitude

Back 2

Th angular distance north or south of the equator

Front 3

Meridians

Back 3

imaginary lines that run from pole to pole

Front 4

Prime Meridian

Back 4

meridian that is at 0 degrees

Front 5

Longitude

Back 5

the angular distance east or west of the Prime Meridian measured in degrees

Front 6

Great Circle

Back 6

Any circle that divides the world in half

Front 7

Geomagnetic Poles

Back 7

Points on the earth's surface above the poles of th imaginary magnet

Front 8

Magnetic Declination

Back 8

The angle between the direction of the geographic pole and the direction that the compass needle points

Front 9

True North

Back 9

the direction of the geographic North Pole

Front 10

Cartography

Back 10

the science of mapmaking

Front 11

Map Projection

Back 11

A flat map that represents the three-dinensional curved surface of the globe

Front 12

Mercator Projections

Back 12

Map projection that the meridians appear straight, parallel, evenly spaced lines and form a grid with the parallels, which show as straight, parallel, unevenly spanced lines.

Front 13

Gnomonic Projections

Back 13

parralles show to be unevenly spaced, concentric circles, and all the other great circles arrear as stright lines, and meridians are straight lines

Front 14

Conic Projections

Back 14

the meridians converge at the poles; and the parellels are equally spaced and concentric curves

Front 15

Polynmic Projections

Back 15

a map that fits together a series of conic projections of adjoining areas

Front 16

Scale

Back 16

indicates the relationship between the distance on the map and actual distance

Front 17

Topographic Map

Back 17

shows the surface features of the earth

Front 18

Toporgaphy

Back 18

the surface features of the earth

Front 19

Elevation

Back 19

hight above sea level

Front 20

Mean sea level

Back 20

the point midway between the highest and lowest tides of the ocean

Front 21

Contour Lines

Back 21

lines that show elevation on a topographic map

Front 22

Contour Interval

Back 22

the difference in elevation between on contour line and another

Front 23

Relief

Back 23

the difference in elevation between the highest and lowest points of the map

Front 24

Index Contours

Back 24

every fifth contour line on a topographic map that is in bolder print

Front 25

Depression Contours

Back 25

Short, straight lines inside a looping point toward its center and indicates a depression

Front 26

Legend (Explanation)

Back 26

a list of symbols and thier meaning