Download Earth Materials

3.11A
Identify and describe the
importance of earth materials
including rocks, soil, water, and
gases of the atmosphere in the
local area and classify them as
renewable, nonrenewable, or
inexhaustible resources.
Which of the following is not true
about soil?
A. Soil is complex mixture.
B. Soil anchors plants by their roots.
C. Soil provides nourishment to plants.
D. Soil is an artificial resource.
Correct Answer Choice:
D. Soil is an artificial resource.
Soil is classified as a natural
resource because it is provided
by nature.
Incorrect Answer Choices:
A.
Soil is a complex mixture of mineral
particles, humus, mineral salts, water,
air, and living organisms.
B.
Plants fix into soil by their roots.
C.
Water and dissolved mineral salts are
provided to plants through roots.
Which of the following
is a nonrenewable
resource?
F. Water
G. Oil
H. Sunlight
J. Wind
Correct Answer Choice:
G. Oil
Oil is a fossil fuel which is
nonrenewable.
Incorrect Answer Choices:
F. Water can be classified as a
renewable source as it continues to
be produced through the water cycle.
H. Sunlight is considered an inexhaustible
resource in terms of human life.
J. Wind is also classified as an
inexhaustible resource.
Rocks, soil, water, and gases
in the atmosphere are
examples of
A.
B.
C.
D.
resources
fuels
minerals
forces
Correct Answer Choice:
A. Resources
A resource is any available means
used by humans to meet their
needs.
Incorrect Answer Choices:
B. Rocks, soil, and water are not fuels,
although moving water can generate
power.
C. Rocks, soil, and water may contain
minerals, but they are not examples
of minerals.
D. A force is a push, pull, or lift.
An inexhaustible resource
is a resource that _
F.
G.
H.
J.
if consumed, can replenish
cannot be used up
does not erode
is not useful to humans
Correct Answer Choice:
G. Cannot be used up
Inexhaustible resources cannot be
exhausted or used up by human
consumption and other uses.
Incorrect Answer Choices:
F. Renewable resources can
replenish if consumed.
H. Erosion does not define an
inexhaustible resource.
J. Resources, by definition, are
useful to humans.
Hydro power is used to
generate electricity. Hydro
power is dependent on which
resource?
A. Sunlight
B. Soil
C. Water
D. Natural gas
Correct Answer Choice:
C. Water
Hydro power is the generation of
electricity by using the force of
falling water.
Incorrect Answer Choices:
A. Sunlight provides solar power.
B. Soil is not used to generate
electricity.
D. Natural gas is a fossil fuel, but
it is not related to “hydro”
which means “water.”