A) B)

C) D)

1. The topographic map below shows a depression contour line on Earth's surface.

Points A, B, C, and D represent surface locations. Contour line elevations are in feet.

Which profile best shows the topography along line AD?

2. Base your answer to the following question on "thetopographic map below, which represents elevationcontours measured in meters. Four straight lines, AB,CD, EF, and GH, have been drawn for referencepurposes.

"

A)

B)

C)

D)

Which profile below most likely represents crosssection GH?

A)

B)

C)

D)

3. The diagram below represents contour lines on atopographic map with cross-section line AB.

Which diagram best represents the topographicprofile along line AB?

4. Base your answer to the following question on "the contour map below. Points A through F representlocations on the map.

"

A) B)

C) D)

Which diagram best represents the topographic profile from location A to location F?

5. Base your answer to the following question on the topographic map shown below. Letters A, B, C, and D represent locations on Earth's surface. The triangular symbol marks the highest elevation on PattyHill. Elevations are shown in feet.

On the grid below, construct a profile of the land surface along line CD. Plot the elevation of each contour line that crosses line CD. Connect the plots with a line to complete the profile.

6. Base your answer to the following question on the topographic map of an island shown below.Elevations are expressed in feet. Points A, B, C, and D are locations on the island. A triangulationpoint shows the highest elevation on the island.

On the grid provided above, construct a topographic profile representing the cross-sectional viewbetween point A and point B, following the directions below.

a Plot the elevation of the land along line AB by marking, with a dot, the elevation of each point wherea contour line is crossed by line AB.

b Connect the dots with a smooth, curved line to complete the topographic profile.

7. Base your answer to the following question on thetopographic map below. Letters A through F representlocations on the map.

A) 10 m B) 50 mC) 100 m D) 150 m

What is the contour interval of this map?

A) A and B B) B and CC) C and D D) A and D

8. The diagram below is a contour map. Between whichtwo points is the slope of the hill steepest?

9. Base your answer to the following question on the topographic map below. Elevations are in feet. PointA and B are locations on the map.

A) a rapidly flowing river B) a large region covered by waterC) the dark contour line labeled 300 D) the absence of many contour lines

What evidence can be used to determine that the land surface in the northeast corner of the map isrelatively flat?

10. Base your answer to the following question on "the contour map of an island below. Points A through G represent locations on the island. Elevationsare in meters.

"

A) southeast B) southwest C) northeast D) northwest

In which direction does the Cinder River flow?

11. Base your answer to the following question on the topographic map below. Points A and B representlocations on the map. Elevations are shown in meters.

A) 5 m B) 34 m C) 25 m D) 39 m

What could be the highest elevation on Little Deer Island?

Base your answers to questions 12 and 13 on the topographic map below. Points A through I arelocations on the map. Elevations are shown in meters.

A) northward out of Wolf Pond B) northward into Wolf PondC) southward out of Wolf Pond D) southward into Wolf Pond

12. The contour lines crossing Deer River show that the river flows

A) 25 m/km B) 50 m/km C) 100 m/km D) 150 m/km

13. What is the approximate gradient along line BD?

14. Base your answer to the following question on the contour map below, which shows a hill formed byglacial deposition near Rochester, New York. Letters A through E are reference points. Elevations arein feet.

A) AE and EB have the same gradient. B) AE has a steeper gradient than EB.C) CE has a steeper gradient than ED. D) CE and AE have the same gradient.

Which description best compares the gradients of this hill?

15. Base your answer to the following question on the topographic map below. Letters A through D represent locations on the map. Elevations are measured in feet. Dashed lines represent trails.

Identify the contour interval used on this map.

16. Base your answer to the following question on the topographic map below and on your knowledge ofEarth science. Lines AB and CD are reference lines on the map. Letter E indicates a location in astream.

Calculate the gradient along line CD.

17. Base your answer to the following question on the field map below. The map shows elevations,measured in feet, of a number of points in a certain geographic region. Contour lines have been drawnfor the 100-foot and 120-foot elevations. Points A and B represent two spot elevations on the map.

On the diagram above, draw the 60-foot contour line. Make sure that the contour line extends to theedges of the map.

18. Base your answer to the following question on the map below, which shows elevations in feet atvarious points. The southern part of the map has contour lines representing elevations at 20-footintervals. Lines AB and CD are reference lines on the map.

On the map, draw contour lines for the 780-ft, 760-ft, and 740-ft elevations. Extend your contour linesto the edges of the map.

19. Base your answer to the following question on the topographic map below and on your knowledge ofEarth science. Some contour lines have been drawn. Line AB is a reference line on the map.

On the map, draw the 60-meter and 70-meter contour lines. The contour lines should extend to theedges of the map.

Base your answers to questions 20 and 21 on the map below, which shows partially drawn contourlines. Xs indicate elevations in meters. Letters A, B, C, and D represent locations on the map.

20. On the above complete the 250-meter contour line.

21. On the portion of the map showing contour lines above place an X in an area where an elevation of55 meters is located.

Answer KeyTopo practice

1. A2. D3. A4. A5.

6.

7. C8. B9. D10. D11. B12. D13. A14. B15. 40 ft.16. 161 to 173 ft/mi.17.

The 60-foot contourline must extend tothe edges of themap. If othercontour lines aredrawn, all lines mustbe correct.

18.

19.

20. If additional contourlines are drawn, allcontour lines mustbe correct to receivecredit.

21.