1. Chemical weathering occurs most rapidly in climates which are

2. Which material could best be carried in solution by a stream?

3. Rounded-bottom valleys with almost vertical sides, small ridges made of
unsorted sediments, and exposed bedrock with small, parallel groves were almost certainly formed by


The diagram represents blocks of limestone. Which block will weather at the fastest rate?

5. What conditions must occur in order for rocks to weather?

6. At high elevations in New York State, which is the most common form of physical weathering?

7. Very small solid sediments (colloids) are carried by a stream

8. The most important result of the weathering of rock as far as living things are concerned is the

9. At which locations will the rate of erosion be greatest?

10. A sample of a sedimentary deposit is found to contain coarse rock fragments at the bottom and fine particles at the top. The deposition most likely occurred as a result of

11. Directly or indirectly, the cause of most erosion is

12. Which rock material in the diagram is most resistant to weathering?

13. Why does one gram of finely ground salt dissolve more rapidly in water than an equal mass of coarsely ground salt?

14. Which is the best example of physical weathering?

15. As the kinetic energy of a stream increases, the size of the particles that can be transported by that stream

16. The two most important factors responsible for the velocity of a stream are it's slope and

17. Which graph correctly shows the relationship between stream discharge and stream velocity?

18. What is the main difference between chemical and physical weathering?

19. Which agent of erosion probably contributes most to the general wearing down of the earth's surface?

20. Which rock has probably been exposed to the longest period of stream abrasion?

21. At which location would the smallest particles be deposited?

22. Which rock material was probably transported to its present location by a glacier?

23. The rate at which particles are deposited by a stream is least effected by

24. Which pair of temperature and rainfall conditions would tend to promote the most intense weathering of a rock

25. Large caves in limestone rock are produced when carbon dioxide dissolves in water to produce

26. Diagram 1 shows the water velocity at the surface of a stream. Diagram 2 shows the water velocity at different depths in the same stream. At which location is the water velocity greatest?

27. According to the Earth Science Reference Tables, particles with a diameter of 0.002 cm. should be classified as

28. According to the Earth Science Reference Tables, a stream velocity of 100 cm./sec is sufficient to transport

29. According to the Earth Science Reference Tables, what is the minimum stream velocity needed to maintain the movement of boulders (diameter 25.6 cm.)?

30. Wide, U-shaped valleys are most closely associated with erosion by

31. Which graph correctly shows the relationship between the months of the year and the rate of chemical weathering for a location in New York State?

32. A hilly region on Long Island is composed of unconsolidated and unsorted sediments. Which erosional agent was probably most influential in forming this landscape?

33. If a sediment is only partly rounded and has large scratches, it was most likely transported by

34. A farmer who leaves the soil barren of vegetation will probably increase the amount of

35. Which of these sediments would you expect to find in the greatest quantity far out into the ocean because of suspension of sediments?

36. The sediment depicted in the diagram was most probably deposited by

37. Angular rock fragments at the bottom of a cliff were probably transported by

38. Large solid sediments such as pebbles are most often carried by a stream

39. The diagram represents a section of sediment ranging from large pebbles on the bottom to fine sand at the top. This sediment was most likely deposited by

40. Soil forms layers called

41. The chemical composition of a residual soil in a certain area is determined by the

42. As the grain size of suspended material increases, the rate of settling

43. The velocity of a stream is 100 cm/sec. According to the Earth Science Reference Tables, what is the largest diameter particle that can be transported by this stream?

44. Which is indicated by a deeper residual soil?

45. Which rock layer is most resistant to weathering?

46. What would happen to the lansdcape pictured in the diagram if the climate became more humid?

47. In which zone would particles with a size range of 0.05 cm to 0.10 cm be found?

48. If the stream discharge between points X and Y increased, the most likely result would be

49. If point X were uplifted, the potential energy of the stream at point X would

50. The diagram represents a vertical cross section of sediments deposited by a stream. Which statement best explains the mixture of sediments?

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