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- 1. Multiple Choice
What is a floodplain?
The area near a river that floods when water levels get to be too high.
The area near a river that looks boring or dull.
The process of water levels going over a river or stream bank.
Water gathering on the surface of the Earth because it doesn't seep into the ground.
- 2. Multiple Choice
The gradual movement or removal of sediment from a location by water is called...
erosion
runoff
slope
tributary
- 3. Multiple Choice
With a steeper slope, we would expect to see...
less erosion
more erosion
the same amount of erosion
no erosion at all
- 4. Multiple ChoiceWhich of the following statements is not true?Water causes more erosion on slopes without plantsWater flows from higher to lower groundFaster water erodes more sedimentAs water slows, smaller particles are deposited first
- 5. Multiple ChoiceWhen a stream or river starts to slow down, it:Picks up more sedimentErodes more rapidlyDeposits fine sediments, but continues carrying larger rocksDeposits larger rocks, but continues carrying finer sediment
- 6. Multiple ChoiceThe steeper the slope, the ________ the stream.SlowerBroaderFasterCurvier
- 7. Multiple Choice
Which of these are traits of a stream’s floodplain? Select all that apply
It is nutrient poor
Is broader and deeper than its channel
Is where the stream deposits much of its sediment load
its elevation is usually higher than the river bed
- 8. Multiple Choice
The diagram below shows a portion of a stream. The sand bar formed as a direct result oferosion due to a decrease in stream velocityerosion due to an increase in stream velocitydeposition due to a decrease in stream velocitydeposition due to an increase in stream velocity - 9. Multiple ChoiceSediments are deposited in a river delta because thevelocity of the river decreasedforce of gravity decreasedvolume of the river increasesgradient of the river increases
- 10. Multiple ChoiceAt which location is the greatest amount of sediment most likely being deposited?ABCD
- 11. Multiple ChoiceThe diagram below shows a section of a meander in a stream. The arrow shows the direction of stream flow. The stream bank on the outside of this meander is steeper than than the stream bank on the inside of this meander because the water on the outside of the meander is movingSlower, causing depositionFaster, causing depositionSlower, causing erosionFaster, causing erosion
- 12. Multiple Choice
What is weathering?
The movement of sediment
The breaking of sediment
The dropping of sediment
- 13. Multiple Choice
Small pieces of rock that have been weathered from a larger rock are known as...
sand
sediment
soil
- 14. Multiple Choice
Which of these is an example of erosion?
Light shinning onto a mountain
Rain breaking down rock
Wind blowing away sediment
All of the above
- 15. Multiple Choice
How do plants in the soil affect how fast erosion happens?
It doesn't affect erosion.
It slows down erosion.
It speeds up erosion.
- 16. Multiple ChoiceHow would you expect the sizes of sediments deposited on a mountain to compare to those deposited downriver?LargerSmallerThe sameIt is impossible to predict
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