Topography Review
Match the definitions below
1. Isograms
B
_____
2. Geologic unit _____
A. Height above sea level of land or an object
C
B. A line representing an equal value of a quantity given
F
Topography _____
D
A
Elevation _____
Relief _____
E
3. Contour lines _____
C. A volume of rock of a given type and age range
4.
D. Size and shape of Earth’s surface features
5.
6.
E. Difference between the highest and lowest elevations
F. Line connecting points of equal elevation on a map
A
D
B
C
Figure 1 The contour interval is in feet.
Scale l--------------l------------------I
0
3 miles
Use Figure 1 to answer the following questions.
A&B
7. Which letters represents hills? _____
A, B, C, or D
2 ft.
8. What is the contour interval? ________
9. Knowing what the contour interval is, what would the elevation be for 6 contour lines up from
sea level?_____
12 ft.
4 ft.
10. What is the difference in elevation between Point B and Point D? _____
Round to the nearest whole number.
5 mi.
11. What is the distance between Points B and D? ________
1 ft./mi.
12. What is the gradient between Points B and D? ___________
13. What is the elevation of point A?
A. 947 ft.
C. 967 ft.
B. 947 mi
D. 967 mi.
Depression
14. What is the feature labeled C known as? ______________
884 ft.
15. What is the elevation of the feature labeled C? _________________