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Science > Chapter 9 - Water Erosion - Tri 3 > Flashcards

Chapter 9 - Water Erosion - Tri 3 Flashcards

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Biology 101 flashcards
1
Q

What is a spit?

A

Sediment reaching into the water

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2
Q

Water that does not soak into the ground or evaporate is called _______

A

Runoff

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3
Q

All of the water the feeds a lake or river system is called a(n) ___________

A

Watershed

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4
Q

A(n) ___________ is a curve in a river that has been cut off from the rest of the river.

A

Oxbow Lake

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5
Q

A(n) _______________ is a deposit from wave action bringing material away from the shore.

A

Sandbar

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6
Q

A curve in a river system is called a(n)

A

Meander

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6
Q

A(n) ___________ is a triangular shaped deposit of material as a river enters a larger body of water.

A

Delta

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7
Q

As waves crash on the shore, a(n) __________ is created that pulls material away from the beach.

A

Undertow

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7
Q

_____________ is when waves get deflected by the shoreline causing them to move down the shore.

A

LongShore Current

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8
Q

A(n) _____________is a triangular shaped deposit of material at the base of a mountain or hill.

A

alluvial fan

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9
Q

What are the water Erosion types?

A

Running Water and Wave action

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9
Q

A(n) ____________ seperates watersheds from each other.

A

Divide
Ex Rockies and savage street in SL

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10
Q

Running water Erosion is caused from….

A
  1. runoff
  2. streams
  3. rivers
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10
Q

Running water creates ???

A

Runoff

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11
Q

Runoff is effected by….

A
  1. Soil
  2. Precipitation
  3. Vegetation
  4. Slope
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12
Q

Does water moving faster move more material? t/f

A

True

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13
Q

which feature formed as a result of the growth of a spit?

A

A baymouth Bar

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14
Q

Describe how barrier islands and tombolo form.

A

Undertow pulling away

15
Q

What bodies of water are protected from the oceans waves?

A

lagoons

16
Q

Where did the sediment needed to build depositional features shown come from?

A

Erosion

17
Q

What are 3 things that can happen to water when it rains?

A

Evaporation, runoff, soak into the ground.

18
Q

Why do meanders form on rivers?

A

the river wants to continue the way it goes in a curving pattern they connect and eventually become a meander.

19
Q

How do deltas form?

A

A river enters a larger body of water and loses energy dropping material/sediments.

20
Q

Why do beaches have differences in the sand?

A

The rocks, the climate, if people go there often.

21
Q

How do sandbars form away from the shore?

A

Undertow dropping sediments

22
Q

An example of an erosional feature formed from running water is ___________.

A

Meander

23
Q

An example of deposition from wave action is a ___________.

A

Beach

24
Q

___________ determines the amount of runoff.

a. The amount of vegetation
b. The amount of rain
c. The slope of the land
d. All the above

A

d. All the above

25
Q

When people remove vegetation, they _________ runoff and the erosion process.

A

speed up

26
Q

barrier island

A

a narrow deposit of sand that runs parallel to the shoreline

27
Q

beach

A

a deposit of sediment from the erosion of shorelines

28
Q

floodplain

A

low flat area next to a river that can fill with water during high waters

29
Q

meander

A

curve in a stream

30
Q

oxbow lake

A

a cutoff meander

31
Q

Water that flows over land and neither soaks into the ground or evaporates is called

A

runoff

31
Q

longshore current

A

flow of water that moves along the shoreline

32
Q

watershed

A

the land area that supplies a water system

33
Q

A triangular deposit when a river enters a larger body of water is called a(n)

A

delta

34
Q

The depositional feature in Lake Michigan formed when sand is brought away from the shoreline is called a(n)

A

sandbar

35
Q

Meander

A

water erodes outside the curves Ex: inertia

36
Q

water always has to go somewhere…

A

1.flows downhill
2. floodplains
3. fils lakes and streams

37
Q

Running water deposition

A

When water loses all its energy it drops sediment.

38
Q

Running water deposition examples

A

alluvial fan, delta, plume, inside of a curve

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