8.9A Topographic Maps

Front

What is a line that connects points of equal elevation on a map?

Back

Contour line

Front

What is the term for the difference in elevation between contour lines?

Back

Contour interval

Front

What is the purpose of a contour legend on a topographic map?

Back

To explain the meaning of different contour lines and symbols used on the map.

Front

What does an index contour line represent?

Back

An index contour line is a thicker contour line that is labeled with its elevation.

Front

How do you determine the steepness of a slope on a topographic map?

Back

By analyzing the spacing of contour lines; closer lines indicate a steeper slope.

Front

What does a contour line that forms a closed loop indicate?

Back

It indicates a hill or a mountain.

Front

What does it mean if contour lines are widely spaced?

Back

It indicates a gentle slope.

Front

How can you identify a valley on a topographic map?

Back

By looking for contour lines that form a V shape pointing upstream.

Front

What is the significance of the contour interval on a topographic map?

Back

It helps to understand the vertical scale and the amount of elevation change represented.

Front

What is the relationship between contour lines and water flow?

Back

Contour lines bend upstream when crossing a stream or river.