Contour Lines and Elevation

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What is the elevation change between two consecutive contour lines in the given example?

50 units

200 units

100 units (correct)

300 units

What is the primary purpose of contour lines on a topographic map?

To show the location of buildings and structures

To show the location of rivers and lakes

To connect points of equal elevation (correct)

To indicate the direction of roads

If the elevation at point A is 100 units and the elevation at point C is 300 units, what is the estimated elevation at point B located halfway between points A and C?

250 units

200 units (correct)

150 units

400 units

What is the primary purpose of viewing a specific area from directly above when constructing a topographic map?

To ensure contour lines are not hidden behind features Signup and view all the answers

What is the process of estimating the elevation at a point beyond the known points of elevation?

Extrapolation Signup and view all the answers

What is the relationship between contour lines and elevation?

Contour lines separate points of higher elevation from points of lower elevation Signup and view all the answers

How is elevation expressed on a 2-dimensional topographic map?

Using contour lines Signup and view all the answers

If the elevation increases by 300 units every 3 contour lines, what is the contour interval?

100 units Signup and view all the answers

What is the contour interval in the given example if the elevation change is 300 units and the number of contour lines is 3?

100 units Signup and view all the answers

What remains constant for any given contour map?

The contour interval Signup and view all the answers

What is the purpose of index contour lines on a topographic map?

To show the contour interval Signup and view all the answers

What is the difference between the direction of Compass North and True North?

Declination Signup and view all the answers

What is the elevation at Point A, given an adjacent index contour line of 2300 units and a contour interval of 100 units?

2400 units Signup and view all the answers

What is the primary purpose of an index contour line?

To label the corresponding elevation Signup and view all the answers

What is the contour interval in this topographic map?

100 units Signup and view all the answers

What happens when contour lines intersect, except in the case of an OVERHANGING CLIFF?

They never intersect Signup and view all the answers

What is the direction of higher elevation relative to an index contour line?

Away from the adjacent contour line Signup and view all the answers

What is the elevation at Point B, given an adjacent index contour line of 2300 units and a contour interval of 100 units?

2200 units Signup and view all the answers

Contour Lines and Elevation

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Questions and Answers

What is the elevation change between two consecutive contour lines in the given example?

What is the primary purpose of contour lines on a topographic map?

If the elevation at point A is 100 units and the elevation at point C is 300 units, what is the estimated elevation at point B located halfway between points A and C?

What is the primary purpose of viewing a specific area from directly above when constructing a topographic map?

What is the process of estimating the elevation at a point beyond the known points of elevation?

What is the relationship between contour lines and elevation?

How is elevation expressed on a 2-dimensional topographic map?

If the elevation increases by 300 units every 3 contour lines, what is the contour interval?

What is the contour interval in the given example if the elevation change is 300 units and the number of contour lines is 3?

What remains constant for any given contour map?

What is the purpose of index contour lines on a topographic map?

What is the difference between the direction of Compass North and True North?

What is the elevation at Point A, given an adjacent index contour line of 2300 units and a contour interval of 100 units?

What is the primary purpose of an index contour line?

What is the contour interval in this topographic map?

What happens when contour lines intersect, except in the case of an OVERHANGING CLIFF?

What is the direction of higher elevation relative to an index contour line?

What is the elevation at Point B, given an adjacent index contour line of 2300 units and a contour interval of 100 units?

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