Ch 6 Question Preview (ID: 1179)


Earth Science - Water. TEACHERS: click here for quick copy question ID numbers.

(In your book, p.159 Figure 2) What process is illustrated by the arrows going from the clouds to the earth?
a) precipitation
b) evaporation
c) runoff
d) infiltration

(In your book, p.159 Figure 2) What process is illustrated by the arrows going from the ground to the underground?
a) infiltration
b) runoff
c) precipitation
d) evaporation

(In your book, p.159 Figure 2) What is the energy source for the water cycle?
a) the sun
b) running water
c) Earth's internal heat
d) gravity

Plants release water into the atmosphere through a process called
a) transpiration
b) evaporation
c) infiltration
d) precipitation

The average annual precipitation worldwide must equal the quantity of water
a) evaporated
b) transpired
c) infiltrated
d) locked in glaciers

The single most important erosional agent on Earth is
a) running water
b) ocean waves
c) glaciers
d) wind

If you were to examine the profile of a typical stream, you would probably find that the gradient is
a) steepest nearest the head
b) steepest nearest the mouth
c) about the same at the head an mouth
d) gentler near the head

In a typical stream, where the gradient is steep, the discharge
a) is small
b) is large
c) is very large
d) cannot be determined

As stream discharge increases, which of the following occurs?
a) stream velocity, channel width, and depth all increase
b) stream velocity increases, but channel width and depth both decrease
c) stream velocity, channel width, and depth all decrease
d) stream velocity decrease, but channel width and depth both increase

Lowering a stream's base level will cause the stream to
a) downcut
b) meander
c) change course
d) deposit sediment

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