Lab 2 Exercise
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Oklahoma Christian University *
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Geography
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Feb 20, 2024
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Spring 2024 Laboratory Investigation 2
Globes, Coordinates, and Maps
3. QUESTIONS
1. (L1)
How many seconds are in a degree? (0.5 pt)
2. (L1)
What are the ranges of values for latitude and longitude? (0.5 pt)
3. (L1)
What would a 1:24000 scale mean for a map? (0.5 pt)
4. (L1)
What is the purpose of contour lines on a map? (0.5 pt)
GEOG 1114 Lab Lab 2: Globes, Coordinates, and Maps
4. PRACTICE AND APPLY YOUR KNOWLEDGE Familiarize yourself with Google Earth Open Google Earth. You will see the globe. Now go to “View” in the top bar menu and select “Grid.” You will see the parallels and meridians every 15 degrees. You will also see the Equator and the Prime Meridian. The Tropic of Cancer and Tropic of Capricorn also appear there, but we will talk about them in the lab next week.
You can use the Hand tool to move around and the Zoom tool to focus on an area and explore more of continents and regions. As you probably already know, the zoom function is powerful enough to see individual buildings. You can also change the orientation of the area you are exploring.
Go to Layers in the left panel and select “Borders.” The country borders will appear in yellow. State and provincial borders will appear in white. Zoom on the United States, and then on the state of your choice.
At the bottom of the map you will see the coordinates of the location where the hand or the cursor. As you move it, the coordinates change. If they are in degrees, minutes and seconds, you can change them to decimal degrees. To do that, select Options from the Tool menu. A box will appear. On the 3D tab you will see Show Lat/Long. There you can change the coordinate system. For the time being, leave it in degrees, minutes, and seconds.
On the same box, you can also change the measurement units. The default might be feet and miles (English system), but you can change it to meters and kilometers (SI).
For the time being, leave it in feet and miles.
Using Google Earth to find locations
4.1 (L1)
The equator passes through the land
of which eleven countries? (1 pt)
4.2 (L2)
Using the map of Figure 1.1.2 (
The Search of the Castaways
) and Google Earth, find the countries that the team searching for Captain Grand traveled. List the countries below. (2 pt)
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GEOG 1114 Lab Lab 2: Globes, Coordinates, and Maps
4.3 (L2)
What is the latitude and longitude of the southernmost point in the conterminous
United States? Report your answer in degrees, minutes, seconds and in decimal degrees. (
Tip: There are 60 seconds in 1 minute, and 60 minutes in 1 degree.
)
In what state is it located? (2 pt)
4.3 (L2)
On the search button, type in “Sydney Opera House, Sydney, Australia.” Provide latitude and longitude coordinates in the respective format. (1 pt)
a) degrees, minutes, and seconds:
b) decimal degrees:
Graphic scales
4.5 (L2)
Familiarize yourself with the aerial image of northern Stillwater. Identify major points of interests, such as Boomer Lake, the airport, shopping plazas, etc.
Using the graphic scale at the bottom of the image, estimate the length of Boomer Lake. You may use a ruler to compare the length of the lake with the graphic scale. Estimate the length of the lake in both feet and miles (1 mile = 5280 feet). Write your length estimates below: (1 pt)
Lake length: _______ feet Lake length: ________miles 4.6 (L2)
Convert your estimations into meters and kilometers. There are 3.281 feet in 1 meter, and 1000 meters in 1 kilometer. (1 pt)
Length: _________meters
Length: _________kilometers
3
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GEOG 1114 Lab Lab 2: Globes, Coordinates, and Maps
The fractional scale for a map
Using the same aerial image, go west of Boomer Lake and find the Stillwater Airport. 4.7
(L2)
Measure the real distance of the longest runway.
For this, go to the top bar and select the icon with a ruler. A box is going to pop up. Click on one end of the runway and then on the other end. A yellow line is going to appear between the two points. In the box, you will see the distance in kilometers. You can change it to centimeters. (1 pt)
Runway length: _________ km
Runway length: _________ cm
4.8 (L4)
Your boss asks you to make a map of Stillwater Airport. We do not have time for that today, but at least you can calculate the fractional scale of the map. The only clue you have is that your boss told you that the longest runway should measure 12 cm on the map. With the previous measurement or the real length of the
runway, calculate the fractional scale. (2 pts)
Fractional scale of the Stillwater Airport Map: ____________________
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GEOG 1114 Lab Lab 2: Globes, Coordinates, and Maps
Contour lines and topographic maps
Figure 4.1.1
Topographic map.
Using the map of Figure 4.1.1, answer the following questions: (L2)
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GEOG 1114 Lab Lab 2: Globes, Coordinates, and Maps
4.10 What is the contour interval of the lines? (0.5 pt)
4.11 Which letter (A, B, or C) indicates the highest point? (0.5 pt)
4.12 If the contour lines are in feet, estimate the difference in elevation between B and C. (0.5 pt)
4.13 The transparent blue line indicates a stream. Using the north arrow as guidance, in
what direction is the stream flowing? (0.5 pt)
Reading USGS topographic maps
For this exercise, you will use the following files:
1. Map: NM_Santo_Domingo_Pueblo_2013_1216_TM (Jpeg))
2. Legend: Topomapsymbols (pdf)
Open the two files. Try to familiarize yourself with the features and terrain on the map. Explore the symbols in the legend. Then, answer the following questions:
4.14 (L1)
What is the fractional scale of the map? (0.5 pt)
4.15 (L2)
What are the maximum and minimum latitudes of this map? (0.5 pt)
6
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GEOG 1114 Lab Lab 2: Globes, Coordinates, and Maps
4.16 (L1)
Are the contour lines in feet or meters? (0.5 pt)
4.17 (L2)
What is the highest elevation of the terrain in this map? (0.5 pt)
4.18 (L2)
What is the material in the stream running on the west side of the map? (0.5 pt)
4.19 (L1)
Is there an interstate crossing the region represented on the map? (0.5 pt)
Points
Section 3:
Section 4:
Total: ____________ out of 18 points
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