Physical Geography Exam 3 Questions

When geologists or archaeologists dig downward into a unit of rock or sediment, they are digging "back in time." This fact is based on the principle of:

• uniformitarianism

• superposition

• catastrophism

• volcanism

Which of the Earth's structural layers is the thinnest?

• lithosphere

• upper mantle

• lower mantle

• outer core

• inner core

A rock transformed by heat and/or pressure is referred to as

• metamorphic rock

• clastic sedimentary rock

• intrusive igneous rock

• extrusive igneous rock

Which of the following is characteristic of divergent plate boundaries:

• sea-floor spreading centers

• collision zones between plates

• lateral motion of plates

• subduction zones

Which of the following is characteristic of convergent plate boundaries?

• sea-floor spreading centers

• lateral motion of plates

• mid-ocean ridges

• subduction zones

What type of rock is derived from the bits and pieces of former rocks?

• sedimentary

• metamorphic

• igneous

• hydrothermal

Which of the following pairs of stress - strain is incorrectly matched?

• compression-shortening

• shortening-compression

• tension-stretching

• shearing-lateral twisting

When rock strata are strained beyond thier ability to remain an intact unit, displacement occurs in a process known as

• folding

• faulting

• stressing

• bending

Ab orogeny is a(n)

• period of glacial ice advance

• large valley created by synclinal folding

• episode of mountain building

• measure of the difference between maximum and minimum elevation

When continental crust collides with continental crust

• a subduction zone is formed

• volcanoes are common

• a large mountain range often forms

• earthquakes rarely occur