Question: What Is The Contour Interval Quizlet?

What is a contour line quizlet?

Contour Line.

A line that connects points of equal elevation..

What are the 5 Rules of contour lines?

Rule 1 – every point of a contour line has the same elevation. Rule 2 – contour lines separate uphill from downhill. Rule 3 – contour lines do not touch or cross each other except at a cliff. Rule 4 – every 5th contour line is darker in color.

What is meant by a contour line?

Contour line, a line on a map representing an imaginary line on the land surface, all points of which are at the same elevation above a datum plane, usually mean sea level. map: contour lines. The diagram illustrates how contour lines show relief by joining points of equal elevation.

What is the zero contour line?

The zero contour line is. sea level. the line that is shaded darker than the rest is the. index contour. A topographic map is.

What is a contour interval used for?

A contour line is a line drawn on a topographic map to indicate ground elevation or depression. A contour interval is the vertical distance or difference in elevation between contour lines. Index contours are bold or thicker lines that appear at every fifth contour line.

Which of the following is the best definition for contour line?

Rules of Contour Lines In other words, contour lines connect points of equal elevation. By definition, contour lines separate points of higher elevation from points of lower elevation. This means it is always possible to define an “uphill” direction on one side of a contour and a “downhill” direction on the other side.

What is a contour interval example?

• Contour interval is always the same on a map. For example, the contour interval on the map below is 10 feet. This means that the change in elevation between contour lines is always 10 feet. The contour interval can differ from map to map, but it is always the same on a particular map.

What are the 3 types of contour lines?

There are 3 kinds of contour lines you’ll see on a map: intermediate, index, and supplementary.Index lines are the thickest contour lines and are usually labeled with a number at one point along the line. … Intermediate lines are the thinner, more common, lines between the index lines.More items…

What do contour lines on a topographic map show quizlet?

Contour lines are used to show elevation on a topographic map. Lines or isolines on a map that connect points with the same elevation. … Each contour line shows a different elevation.