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- Multiple ChoicePlease save your changes before editing any questions.A delta at the mouth of a river is the direct result ofrunoff from sewagedeposition of sedimentan ancient glacier that passed throughan underground river flowing to the ocean
- Multiple ChoicePlease save your changes before editing any questions.Which rock particles will remain suspended in water for the longest time?pebblessiltclaysand
- Multiple ChoicePlease save your changes before editing any questions.
The sediment deposited in each bed is best described assorted mainly according to particle shapea mixture of sorted and unsorted particlessorted mainly according to particle sizeshowing no evidence of sorting - Multiple ChoicePlease save your changes before editing any questions.Why do the particles carried by a river settle to the bottom as the river enters the ocean?Velocity of the river water decreases as it enters the oceanKinetic energy of the particles increases as the particles enter the oceanDensity of the ocean water is greater than the density of the river waterLarge particles have a greater surface area than the small particles
- Multiple ChoicePlease save your changes before editing any questions.
Which characteristic would most likely decrease along the reference line from A to B? (Traveling away from the mouth of the river)
the density of the water
the size of the sediments
the amount of salt in solution
the depth of the water
- Multiple ChoicePlease save your changes before editing any questions.According to the ESRT, what must be the size of a boulder?greater than 25.6 cm in diameter0.2 to 6.4 cm in diameterless than 0.2 cm in diameter6.4 to 25.6 cm in diameter
- Multiple ChoicePlease save your changes before editing any questions.Which kind of sediment would probably be deposited farthest out in the lake?siltsandclaypebbles
- Multiple ChoicePlease save your changes before editing any questions.When a stream flows into a lake, in what order are sediments deposited?clay, silt, sand then pebblessand, silt, clay then pebblespebbles, clay, silt then sandpebbles, sand, silt then clay
- Multiple ChoicePlease save your changes before editing any questions.How does size affect the settling rate of a particle in water?As size increases, settling rate increases.As size increases, settling rate decreases.Size does not affect settling rate.
- Multiple ChoicePlease save your changes before editing any questions.
How does angularity affect the settling rate of a particle in water? (more angular = less round)
As angularity increases, settling rate increases.
As angularity increases, settling rate decreases.
Angularity does not affect settling rate.
- Multiple ChoicePlease save your changes before editing any questions.How does density affect the settling rate of a particle in water?As density increases, settling rate increases.As density increases, settling rate decreases.Density does not affect settling rate.
- Multiple ChoicePlease save your changes before editing any questions.How fast does water have to move to carry 1.0 cm pebbles?.02 cm/sec5 cm/sec50 cm/sec200 cm/sec
- Multiple ChoicePlease save your changes before editing any questions.
What is the largest size sediment that can be carried by 100 cm/sec water?
1 cm
3 cm
26 cm
200 cm
- Multiple ChoicePlease save your changes before editing any questions.What kind of sorting is this?VerticalHorizontalCross-beddingUnsorted
- Multiple ChoicePlease save your changes before editing any questions.Which choice describes the arrangement of sediments where a river enters the ocean?Larger sediments near the mouth of the river, smaller sediments further away.Smaller sediments near the mouth of the river, larger sediments further away.Unsorted sediments
- Multiple ChoicePlease save your changes before editing any questions.Describe the sorting of sediments deposited by water.SortedUnsorted
- Multiple ChoicePlease save your changes before editing any questions.
The settling of sediments to the bottom of a lake or river is called
erosion
deposition
weathering
- Multiple ChoicePlease save your changes before editing any questions.
Which factors affect the settling rate of sediments?
CHOOSE ALL CORRECT ANSWERS!
size
shape
density
color
- Multiple ChoicePlease save your changes before editing any questions.
Which of the following determines the size of sediments that can be carried by a river?
water velocity
type of vegetation
water temperature
sediment composition
- Multiple ChoicePlease save your changes before editing any questions.
What kind of sorting is this?
Vertical
Horizontal
Cross-bedding
Unsorted