Topographic maps

Front

What is elevation?

Back

The height to which something is elevated above a point of reference, especially mean sea level.

Front

What is a contour line?

Back

A line joining points of equal elevation above a given level.

Front

What does a heavier contour line indicate?

Back

A contour line accentuated by a heavier line weight to distinguish it from intermediate contour lines.

Front

What does it mean if contour lines are close together?

Back

The slope is steep.

Front

What does it mean if contour lines are far apart?

Back

The slope is gentle.

Front

What is a topographic map?

Back

A map that represents the Earth's surface in three dimensions, showing elevation and landforms.

Front

What is a cliff?

Back

A steep face of rock and earth.

Front

What is a volcano?

Back

An opening in the Earth's crust through which molten lava, ash, and gases are ejected.

Front

What is a mountain?

Back

A large landform that rises prominently above its surroundings, typically having a peak.

Front

What is a river?

Back

A large natural stream of water flowing in a channel to the sea, a lake, or another river.