GRADE A Q&A
Which of the following best describes the term sediment?
a. loose fragments of rocks and minerals broken off bedrock or precipitated from
water
b. blocks of bedrock separated by large fractures
c. dissolved chemical constituents in groundwater and surface waters
d. modified bedrock that can support the growth of vegetation and other organisms -
(CORRECT ANSWER)a. loose fragments of rocks and minerals broken off bedrock
or precipitated from water
The accumulation of sediments that are found on top of the Earth's bedrock is known
as
a. hydrosphere.
b. soil.
c. cover.
d. horizons. - (CORRECT ANSWER)c. cover.
Sediment formation is the result of __________ at the Earth's surface.
a. igneous activity
b. metamorphic activity
c. weathering
d. hydration - (CORRECT ANSWER)c. weathering
Why does physical weathering speed up the processes of chemical weathering?
a. Physical weathering requires abundant water, as does chemical weathering.
b. Physical weathering produces more surface area for chemical weathering to
attack.
c. Chemical weathering can occur only on small surfaces, not large ones.
d. Chemical weathering requires salt, which is provided by salt wedging. -
(CORRECT ANSWER)b. Physical weathering produces more surface area for
chemical weathering to attack.
Weathering results in
a. larger, less-rounded pieces.
b. larger, more-rounded pieces.
c. smaller, less-rounded pieces.
d. smaller, more-rounded pieces. - (CORRECT ANSWER)d. smaller, more-rounded
pieces.
What type of phenomenon is demonstrated by the vertical lines in this picture?
a. jointing
b. exfoliation
c. chemical weathering
d. hydration - (CORRECT ANSWER)a. jointing
What type of weathering has produced the honeycomb-like features shown in the
following photo?
a. salt wedging
b. frost wedging
c. dissolution
Which of the following best describes the term sediment?
a. loose fragments of rocks and minerals broken off bedrock or precipitated from
water
b. blocks of bedrock separated by large fractures
c. dissolved chemical constituents in groundwater and surface waters
d. modified bedrock that can support the growth of vegetation and other organisms -
(CORRECT ANSWER)a. loose fragments of rocks and minerals broken off bedrock
or precipitated from water
The accumulation of sediments that are found on top of the Earth's bedrock is known
as
a. hydrosphere.
b. soil.
c. cover.
d. horizons. - (CORRECT ANSWER)c. cover.
Sediment formation is the result of __________ at the Earth's surface.
a. igneous activity
b. metamorphic activity
c. weathering
d. hydration - (CORRECT ANSWER)c. weathering
Why does physical weathering speed up the processes of chemical weathering?
a. Physical weathering requires abundant water, as does chemical weathering.
b. Physical weathering produces more surface area for chemical weathering to
attack.
c. Chemical weathering can occur only on small surfaces, not large ones.
d. Chemical weathering requires salt, which is provided by salt wedging. -
(CORRECT ANSWER)b. Physical weathering produces more surface area for
chemical weathering to attack.
Weathering results in
a. larger, less-rounded pieces.
b. larger, more-rounded pieces.
c. smaller, less-rounded pieces.
d. smaller, more-rounded pieces. - (CORRECT ANSWER)d. smaller, more-rounded
pieces.
What type of phenomenon is demonstrated by the vertical lines in this picture?
a. jointing
b. exfoliation
c. chemical weathering
d. hydration - (CORRECT ANSWER)a. jointing
What type of weathering has produced the honeycomb-like features shown in the
following photo?
a. salt wedging
b. frost wedging
c. dissolution
