unit 6 Review sheet

Name: Date:

1. The large waterfall at Niagara Falls, New York,was originally located at the Niagara Escarpment.Which term best describes an escarpment?

A. U-shaped valley B. V-shaped valley

C. cliff D. drumlin

2. Trees growing on the edge of a river’s meanderare most likely to fall into the river due to

A. deposition on the inside of the meander

B. deposition on the outside of the meander

C. erosion on the inside of the meander

D. erosion on the outside of the meander

3. What is the approximate minimum stream velocityneeded to keep a 6.4-cm-diameter particle inmotion?

A. 10 cm/s B. 50 cm/s

C. 100 cm/s D. 200 cm/s

4. The photograph below shows a sandstone butte inan arid region.

Which agents of erosion are currently changing theappearance of this butte?

A. glaciers and mass movement

B. wave action and running water

C. wind and mass movement

D. running water and glaciers

page 1

5. The block diagram below shows part of ameandering stream. Line XY shows the locationof a stream cross section.

Which cross section best represents the shape ofthe stream channel at line XY?

A.

B.

C.

D.

6. The photograph below shows a valley.

Which agent of erosion most likely produced thisvalley’s shape?

A. blowing wind B. ocean waves

C. moving ice D. running water

7. Sediment is deposited in a river delta because the

A. velocity of the river decreases

B. force of gravity decreases

C. volume of the river increases

D. gradient of the river increases

8. Which mineral would most likely become roundedat the fastest rate when tumbled along a streambottom?

A. garnet B. pyroxene

C. plagioclase feldspar D. selenite gypsum

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9. Sandstone, limestone, and conglomerate cobblesare found in a streambed in New York State wherethe surrounding bedrock is composed of shalesand siltstones. The most likely explanation for thepresence of these cobbles is that they were

A. weathered from the surrounding bedrock

B. formed when shale and siltstone bedrock wereeroded

C. transported to this area from another region

D. metamorphosed from shale and siltstone

10. Pieces of bedrock material that are broken from acliff and deposited by a landslide at the base ofthe cliff are best described as

A. rounded and sorted

B. rounded and unsorted

C. angular and sorted

D. angular and unsorted

11. The narrow, sandy, barrier islands in the oceanalong the south coast of Long Island weredeposited by

A. wind B. streams

C. glacial ice D. wave action

12. Which process occurs when water vapor movesout of the leaves of a tree into the atmosphere?

A. condensation B. infiltration

C. runoff D. transpiration

13. In general, the probability of flooding decreaseswhen there is an increase in the amount of

A. precipitation B. infiltration

C. runoff D. snow melt

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14. Base your answer(s) to the following question(s)on the diagram below, which shows a model of thewater cycle. Letters A through F represent someprocesses of the water cycle. Letter X indicatesthe top of the underground zone that is saturatedwith water.

The Water Cycle

What does letter X represent?

A. the water table B. a floodplain

C. sea level D. impermeable rock

15. Two streams, A and B, carry the same volume ofwater, but stream A has a greater velocity. Themost likely cause of this greater velocity would bethat stream A

A. has more tributaries

B. has a wider streambed

C. flows down a steeper slope

D. travels over less resistant bedrock

16. Which event is an example of chemicalweathering?

A. rocks falling off the face of a steep cliff

B. feldspar in granite being crushed intoclay-sized particles

C. water freezing in cracks in a roadside outcrop

D. acid rain reacting with limestone bedrock

17. The diagram below shows an outcrop of differentlayers of sandstone in a region receiving heavyrainfall.

Which sandstone layer appears to be the leastresistant to weathering?

A. A B. B C. C D. D

18. Which characteristic would most likely remainconstant when a limestone cobble is subjected toextensive abrasion?

A. shape B. mass

C. volume D. composition

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19. Photographs A and B below show two differentvalleys.

Photograph A Photograph B

Which list best identifies the agent of erosion thatprimarily determined the shape of each valley?

A. photograph A—glacier; photograph B—river

B. photograph A—river; photograph B—glacier

C. both photographs—river

D. both photographs—glacier

20. Which agent of erosion is most likely responsiblefor the deposition of sandbars along oceanshorelines?

A. glaciers B. mass movement

C. wave action D. wind action

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unit 6 Review sheet 03/01/2016

1.Answer: C

2.Answer: D

3.Answer: D

4.Answer: C

5.Answer: C

6.Answer: C

7.Answer: A

8.Answer: D

9.Answer: C

10.Answer: D

11.Answer: D

12.Answer: D

13.Answer: B

14.Answer: A

15.Answer: C

16.Answer: D

17.Answer: B

18.Answer: D

19.Answer: A

20.Answer: C