1. Base your answer(s) to the following question(s) on the Earth Science Reference Tables, the diagram below, and your knowledge of Earth science. The diagram represents a laboratory stream table. Water flowing in the stream can move sediments along the stream channel because of an exchange of energy from the A. channel to the water B. water to the sediment C. sediment to the channel D. channel to the sediment
2. Base your answer(s) to the following question(s) on the Earth Science Reference Tables, the diagram below, and your knowledge of Earth science. The diagram represents a laboratory stream table. How do streams transport sediments? A. in suspension, only B. by rolling, only C. in suspension and by rolling, only D. in solution, in suspension, and by rolling
3. The diagram below is a map view of a stream flowing through an area of loose sediments. Arrow show the location of the strongest current. Which stream profile best represents the cross section from A to A? A. B. C. D.
4. Quartz particles of varying sizes are dropped at the same time into deep, calm water. Which cross section best represents the settling pattern of these particles? A. B. C. D.
5. What is the minimum rate of flow at which a stream of water can maintain the transportation of pebbles 1.0 centimeter in diameter? A. 50 cm/sec B. 100 cm/sec C. 150 cm/sec D. 200 cm/sec
6. Base your answer(s) to the following question(s) on the diagram below, which shows a meandering stream. Letters A, B, C, and D indicate locations on the streambed. What are the largest particles that this stream can transport when its velocity is 200 centimeters per second? A. silt B. sand C. pebbles D. cobbles
7. Base your answer(s) to the following question(s) on the block diagram below, which represents the landscape features associated with a meandering stream. WX is the location of a cross section. Location A indicates a landscape feature. Which particle of quartz shows evidence of being transported the farthest distance by the stream? A. B. C. D.
8. Base your answer(s) to the following question(s) on the map below, which shows the generalized bedrock of a part of western New York State. As the Niagara River enters Lake Ontario, the velocity of the river water A. decreases and larger sediments are deposited first B. decreases and smaller sediments are deposited first C. increases and larger sediments are deposited first D. increases and smaller sediments are deposited first
9. Base your answer(s) to the following question(s) on the topographic map below, which shows an area of the Saranac River just west of Plattsburgh, New York. Points A and B are locations in the river. Why is erosion of the stream bank more likely at point A than at point B?
10. Base your answer(s) to the following question(s) on the map below, which shows a portion of the continent of North America and outlines the Mississippi River watershed. Points A, B, C, D, and E represent locations on Earth s surface. Sediments deposited by the river at location B are best described as A. sorted and layered B. sorted and not layered C. unsorted and layered D. unsorted and not layered
11. The map below shows a meandering stream as it enters a lake. The arrow shows the direction of stream flow. Points A through D represent locations on the surface of the stream. The greatest stream velocities are found closest to points A. A and B B. B and C C. C and D D. D and A
12. Base your answer(s) to the following question(s) on the map below, which represents two bridges that cross the Green River. Letters A, B, and C represent locations in the river. A ball was dropped from bridge 1 at location A and the distance and travel time to location B were recorded. The results are shown in the data table below. Travel from A to B Distance (cm) Time(s) 12,000 240 On the map below, place an X at the location between the bridges where the greatest amount of deposition is most likely occurring.
13. The block diagram below shows part of a meandering stream. Line XY shows the location of a stream cross section. Which cross section best represents the shape of the stream channel at line XY? A. B. C. D.
14. On October 14, during the flood, the discharge of the San Juan River changed dramatically. The change in the river s discharge at this location was related to an increase in the river s A. velocity B. gradient C. channel length D. sediment deposits
15. 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
16. Base your answer(s) on the block diagram below and on your knowledge of Earth science. The diagram represents a meandering stream. Point A represents a location within the meandering stream. Arrows represent the direction of stream flow. Identify the name of the largest sediment particles that can be transported at point A when the stream s velocity is 100 cm/s.