Earth Science
Name_____________________________
Chapter 3
Period_____________________________
Worksheet
Date______________________________
__________________________________________________________________________________
Topographic Maps, Part I
True or False
For each statement write T in the blank provided if the statement is true, write F if the statement is false. (0.25 points each)
_____ 1. On topographic maps, contour lines connect points having the same elevation.
_____ 2. Topographic maps show only natural features of an area.
_____ 3. Eastern and western boundaries of U.S.G.S. maps are indicated by meridians of longitude.
_____ 4. Index contours are contour lines that are printed bolder in order to make map reading easier.
_____ 5. A 15’ topographic map shows more detail that 7.5’ map of the same area.
Multiple Choice
Choose the one best response and write the corresponding letter in the space provided. (0.25 points each)
_____ 6. On a topographic map, rapid increases in elevation are represented by:
A. depression
C. V-shaped contour lines
B. Contour lines forming close loops
D. Closely spaced contour lines.
_____ 7. The elevation difference between two contour lines on a map is called the
A. map scale
B. contour interval C. map projection
D. index contour
_____ 8. Contour intervals are most likely to be smallest on maps of
A. hilly areas
C. flat areas
B. high-altitude areas
D. low-altitude areas
_____ 9. At what elevation is the point labeled X on the map?
A. 400 m
B. 450 m
C. 500 m
D. 600 m
_____ 10. Which feature on the map is indicated by the arrow?
A. peak
B. valley
C. stream
D. depression
Contour Lines
Use the following map to answer the questions below. (0.5 points each)
1. What is the exact elevation of the following points?
A. Point A = _____ meters
B. Point E = _____ meters
What is the approximate elevation of the following points?
A. Point C = _____ meters
B. Point F = _____ meters
2. Explain why you can determine the exact elevation for points A and E but only approximate elevations for
points C and F.
3. How many hills are shown on the map?
4. In which direction is the Ert River flowing?
5. Which of the following points have the same elevation?
A. Points A and B
B. Points E and A
C. Points C and D
D. Points F and C