Map Projections, Coordinates, Scale Topic

Question 1

What shape is the earth?

Answer 1

The earth is an oblate.

This is a spheroid squashed by 1/298th

Question 2

What is a disadvantage of map projections?

Answer 2

Distortion

Question 3

What are the three characteristics of a map?

Answer 3

Class
Case
Aspect

Question 4

Define the map characteristic Class.

Answer 4

It is a developable surface. There is planar cylinder, cone, plane

Question 5

What are some attributes of cylindrical projection.

Answer 5

The map image is as if you wrapped a cylinder around a globe.
Longitude is equal spacing, parallel a straight lines
Latitude is straight lines but not equally spaced
Top and bottom stretched scale

Question 6

What is an example of a cylindrical projection?

Answer 6

Mercator conformal cylindrical

Question 7

What are the characteristics of conic projection?

Answer 7

Like wrapping a cone over one section of the earth.
Longitude lines are diverging straight lines
Latitude are parallel curved lines

Question 8

What is an example of a conic projection?

Answer 8

Lambert conformal conic

Question 9

What are the characteristics of a planar projection?

Answer 9

Circular
Longitude lines are straight equally spaced radiating from the centre
Latitude centred circles that are equally spaced

Question 10

What does the map case refer to?

Answer 10

Where and how the developmental surface intersects with a reference globe.

Question 11

What is a map aspect refer to?

Answer 11

The position of projection centre.
Equatorial
Polar
Oblique

Question 12

True or False

Is Earth a sphere?

Answer 12

False

Question 13

What method do we use to ‘unroll’ the earth and make it flat

Answer 13

Projection

Question 14

What are the advantages of a globe?

Answer 14

Directions, distances, areas and angles all remain true

Question 15

What are the disadvantages of a globe?

Answer 15

Small scale with little detail
Difficult to carry around
Bulky to store
Costly to reproduce

Question 16

What are the four components that are important to preserve in a map

Answer 16

Angles
Area
Distance
Direction

Question 17

What is a compromise projection?

Answer 17

A projection that maintains only a few of the four components and alters the others

Question 18

Give an example of a compromise projection

Answer 18

Robinson projection

Question 19

Longitude is used in ________ to _________ measurements

Answer 19

Ease, West

Question 20

Latitude is used in _________ to _________

Measurements

Answer 20

North, South

Question 21

What are Graticules?

Answer 21

In cartography a network of lines representing lines of latitude and longitude

Question 22

What does UTM stand for?

Answer 22

Universal transverse Mercator

Question 23

What type of projection is transverse Mercator projection?

Answer 23

Cylindrical

Question 24

True or false:

The cylinder of a transverse map comes into contact at the equator.

Answer 24

False, it comes into contact at the meridian of longitude

Question 25

What is a non-coordinate system?

Answer 25

Postal codes/ postal address

Question 26

A scale is a …

Answer 26

Representative fraction

Question 27

True or false

Representative fractions have units

Answer 27

False

Question 28

Large scale map has ______ objects, small scale map has _______ objects.

Answer 28

Large, small

Question 29

True or false

Large scale maps illustrate more detail than small scale maps.

Answer 29

True