9th Grade Geography
Introduction to maps
What is a map
A 1)______view of an 2)______usually some portion of 3)______surface
Its seen from 4)______at a greatly reduced 5)______
Any 6)______image of the 7)______
A 8)______representation of the 9)______distribution of selected 10)______
Why make maps
To represent a 11)______area than we can 12)______
To show a 13)______or process we 14)______see with our 15)______
To present information 16)______
To show spatial 17)______
How do we read maps
Maps are 18)______views of reality
Size of the map 19)______to reality (scale)
20)______on the map (symbolization)
21)______of the map (projection)
Map scale
22)______of the distance on the map to the 23)______on the 24)______
Scale is a 25)______
Larger area 26)______means larger 27)______
28)______denominator means 29)______fraction
So a 30)______map covers a 31)______area
Ratio of the 32)______on the map to the distance on the 33)______
Graphic:
Stays the 34)______when photocopied
Might 35)______be right for the 36)______map
Map scale
37)______:1 inch equals 10 miles
38)______to understand
Can change if 39)______
40)______fraction or 41)______1:1,300,000
Units don’t 42)______
Can 43)______if photocopied
Map symbolization
44)______are a code instead of 45)______
Three kinds:
46)______
47)______
48)______
Consider:
49)______
Size
50)______
Pattern
51)______
Value
Point symbols-Qualitative
Every 52)______counts as one 53)______
54)______points
Indicate 55)______
Can also 56)______that location
Point symbols-Quantitative
57)______points
Show a 58)______
Indicate a 59)______
Line symbols
Isolinesor 61)______lines connect same 62)______
63)______maps indicate value by 64)______of line
Area symbols
Each 65)______or region has one 68)______
Differences in 69)______
Topographic maps
Also called 77)______
Nearly 54,000 for the 78)______
Done by the US 79)______Survey (USGS) since 1897
Map out the 80)______country in a 81)______fashion
Till the 82)______, you climbed to the highest 83)______and plotted what you could 84)______from there
Aerial 85)______after WWII
Two 86)______photos are put in a 87)______
10 88)______for each 7.5 minute 89)______
Show 90)______features, point, line and area; also show 91)______via contour lines
Common 92)______are in the appendix of the text
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