Mapping The Earth's Surface

Front 1

a landform that has high elevation but a mostly flat surface

Back 1

plateau

Front 2

The equator divides Earth into two equal halves called________

Back 2

hemispheres

Front 3

Latitude is a measurement of distance north or south of the

Back 3

equator

Front 4

To show Earth's curved surface on a flat map, mapmakers choose different ____ ______.

Back 4

map projections

Front 5

the digitized data on a computer map is made up of __________.

Back 5

pixels

Front 6

On a topographic map, relief is shown using ______ ______.

Back 6

contour lines

Front 7

__________ is a landform's height above sea level.

Back 7

Elevation

Front 8

The _______ ____________ is a half circle that extends from the North Pole to the South Pole.

Back 8

Prime Meridian

Front 9

If an airplane flew around the Earth in a straight line from east to west, the airplane would cross lines of ___________.

Back 9

longitude

Front 10

An _______ ________ is labeled to indicate the elevation along a contour line.

Back 10

index contour

Front 11

A _________ plain's elevation is always low whereas a _________ plain's elevation can vary.

Back 11

coastal, interior

Front 12

Define: mountain range

Back 12

a group of mountains that are closely related in shape, structure or age

Front 13

An area where there is mostly one kind of topography is called a ___________ __________.

Back 13

landform region

Front 14

The South Island lies at about 170 degrees E. What hemisphere is it in?

Back 14

Eastern hemisphere

Front 15

Name one advantage of a Mercator projection.

Back 15

The size and shape are only a little distorted.

Front 16

Name one disadvantage of a Mercator projection.

Back 16

Size and shape become more distorted as you get closer to the poles.

Front 17

What information does a map's contour interval provide?

Back 17

the change in elevation from contour line to contour line

Front 18

What do widely placed contour lines indicate about the slope of the land?

Back 18

flat, gentle slope

Front 19

What do closely placed contour lines indicate about the slope of the land?

Back 19

steep

Front 20

A ________ map shows the surface features of an area.

Back 20

topographic

Front 21

On topograhic maps, a _____ ________ connects points of equal elevation.

Back 21

contour line

Front 22

______ ________ are labeled with the elevation above sea level in round units, such as 2,000 feet above sea level.

Back 22

index contour

Front 23

On topographic maps, ________ are used to show houses and other small features.

Back 23

symbols

Front 24

For centuries, mapmakers drew maps by hand. More accurate maps were made by locating points on Earht's surface in a process called ___________.

Back 24

surveying

Front 25

In computerized mapmaking, the process by which mapmakers convert the location of map points to numbers in called ________.

Back 25

digitizing

Front 26

Computers produce maps using data form many sources, including satellites and the ________ ________ ________.

Back 26

global positioning system (GPS)

Front 27

Much of the data used in computer mapping is gathered by ____________.

Back 27

satellites

Front 28

Pictures of the surface based on these datea are called_________ _______.

Back 28

satellite images.

Front 29

__________ is the shape of the land.

Back 29

topography

Front 30

The difference between the highest and the lowest points of an area is its _________.

Back 30

relief

Front 31

A _________ is a feature of topography formed by the processes that shape Earth's surface.

Back 31

landform

Front 32

A _______ is a landform made up of flat or gently rolling land with low relief.

Back 32

plain

Front 33

A ___________ is a landform with high elevation and high relief.

Back 33

mountain

Front 34

A _______ is a flat model of all or part of Earth's surface as seen from above.

Back 34

map

Front 35

A _________ is a sphere that represents Earth's entire surface.

Back 35

globe

Front 36

A map's _______ relates distance on a mpa to distance on Earth's surface.

Back 36

scale

Front 37

Halfway between the North and South Poles, the ____________ forms an imaginary line that circles the earth.

Back 37

equator

Front 38

Another imaginary line, called the ______ _________, makes a half circle from the North Pole to the South Poles through Grennwich, England.

Back 38

prime meridian

Front 39

The lines of __________ and _________ form a grid that can be used to find locations anywhere on the Earth.

Back 39

latitude and longitude

Front 40

The equator is the starting line for measuring _________, or the distance in degrees north or south of the equator.

Back 40

latitude

Front 41

The distance in degrees east or west of the prime meridien is called __________.

Back 41

longitude

Front 42

A _____ ________ is a framework of lines that helps in tranfsreeing points on Earth's three-dimensional surface onto a flat map.

Back 42

map projection

Front 43

Three common map projections are the _________, ______ _____ and _______.

Back 43

Mercator, equal area and conic.

Front 44

In a Mercator projection, all lines of _______ and _________ appear as straight, parallel lines that form a _________.

Back 44

latitutude, longitude, rectangle