BJU Earth Science Fourth Edition 7A Section Review Correct Answers
(True or False) The relief and elevation of the small volcanic island in the adjacent photo are the same thing. -
ansTrue
Compare and contrast mountain elevation and actual height. - ansA mountain's elevation is its height above
sea level. The actual height is the height of the mountain above the lowest elevation of the surrounding terrain.
Describe the relief of:
a. the Himalaya Mountains.
b. the Great Plains in the Midwest United States. - ansa. High relief
b. Low relief
How do we measure the elevation of a mountain's summit? - ansMeters or feet above sea level
Relate topography, the thickness of the lithosphere, and isostasy. - ansGenerally, the higher the topography,
the thicker the lithosphere is and the deeper into the mantle it extends. This is explained by the principle of
isostasy.
Study the map in the Relief Map box on page 148. What is the highest possible elevation of White Ledge Hill? -
ans2000 feet
What geologic term describes the tectonic origins of mountains and the processes that build them? -
ansOrogeny
What is an area's topography? - ansThe variety of elevations and arrangement of its landforms
What is the difference between a mountain and a hill? - ansThe main difference between a mountain and a hill
is their height, but it is also related to local customs in an area.
(True or False) The relief and elevation of the small volcanic island in the adjacent photo are the same thing. -
ansTrue
Compare and contrast mountain elevation and actual height. - ansA mountain's elevation is its height above
sea level. The actual height is the height of the mountain above the lowest elevation of the surrounding terrain.
Describe the relief of:
a. the Himalaya Mountains.
b. the Great Plains in the Midwest United States. - ansa. High relief
b. Low relief
How do we measure the elevation of a mountain's summit? - ansMeters or feet above sea level
Relate topography, the thickness of the lithosphere, and isostasy. - ansGenerally, the higher the topography,
the thicker the lithosphere is and the deeper into the mantle it extends. This is explained by the principle of
isostasy.
Study the map in the Relief Map box on page 148. What is the highest possible elevation of White Ledge Hill? -
ans2000 feet
What geologic term describes the tectonic origins of mountains and the processes that build them? -
ansOrogeny
What is an area's topography? - ansThe variety of elevations and arrangement of its landforms
What is the difference between a mountain and a hill? - ansThe main difference between a mountain and a hill
is their height, but it is also related to local customs in an area.
