Latitude= 0 degrees to 90N or 90S Longitude = 0 degrees to...
Transcript of Latitude= 0 degrees to 90N or 90S Longitude = 0 degrees to...
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Polar : accurate at the poles
Accurate at the equator
Accurate mid latitudes
Latitude= 0 degrees to 90N or 90SLongitude = 0 degrees to 180 E or W
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Black: 0 o , 0 o
Green: 75o N, 30o E
Red: 30o S, 90o W
Blue: 60o N, 30o W
A: 75oN, 90o WB: 60oN, 120o WC: 60oN, 60oED: 15oN, 45oWE: 0o, 150oWF: 60oS, 120oWG: 30oS, 0oH: 15oS, 75oEI: 45oS, 150o EJ: 30oN, 180o
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N
S
W E N, EN, W
S, W S, E
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Large Scale1:1 Actual Size (small area, High detail)1:10 House / Room Plan1:100 Boiling Springs Street Map1:24,000 Carlisle: Standard Topo Map1:50,000 Cumberland1:500,000 PA Map1:4,560,000 North America1:7,000,000 World1:41,849,600 Globe (Big Area, Low Detail)Small Scale
Money1:1,000,000 $11:10,000 $1001:1,000 $1,0001:100 $10,0001:1 $1,000,000
N
S
W E N, EN, W
S, W S, E
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Index Contour: every 5th contour line that is darker and usually labelled with the elevation
F=
E=
P=
All topographic map elevationsbegin at sealevel = 0 ft.
40 ft
80 ft
101 119 ft
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A. Contour interval?B. Max elevation of Round Hill / High Hill?C. Direction river is flowing?D. Number of hills?E. Elevation of pit?
Contour lines form "V"s that point upstream when they cross a river.
Brown lines
20 ft361 379 ft / 461 479 ftNorth2160 ft
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Shrank to about 5 Billion km
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difference of 70 miles
90 % of the material in the disk became the Sun
young
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Iron/Nickel
Crust / Upper Mantle
solid
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10,0000 F Earth's Interior6,0000 F Surface of the Sun
6 60 miles thick
Source of the Earth's Magnetosphereprotects Earth from the harmful radiation from the Sun.
because of the solid core spinning inside theliquid core
ne
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Rotation and Revolution
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SouthernHemisphereHurricane
NorthernHemisphereHurricane
http://www.wiley.com/college/strahler/0471480533/animations/ch07_animations/animation2.html
http://www.wiley.com/college/strahler/0471480533/animations/ch07_animations/animation2.html
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Observe over a 6 month period
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Earth moving in its patharound the Sun.
18 hr daylight6 hr night
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Summer
Winter
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Rotation= 24 hr day (axis spin)Revolution = season changes / year (motion around the Sun)
equator
18+ daylight hours~6 nighttime hours
+18 nighttime hours~6 daylight hours
~12 hours day and night
~12 hours day and night
18 hrs darkness6 hrs daylight
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Chapter 3 Models of Earth
I. Modeling the Planet
A. Maps can be constructed using different angles of view.A projection is a 2dimensional representation of 3D world.The following are examples of map projections:
1. Gnomonic or Planar projection
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