Rivers-Upland and Water cycle Flashcards

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1
Q

What are the 5 parts of the water cycle

A

Evaporation, condensation, precipitation, surface runoff, transpiration

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2
Q

What exactly happens during the water cycle part 1

A

The Sun heats up water and changes it to a gas (water vapor) by the process of evaporation, water that evaporates from earths oceans, lake, rivers, and moist soil rises up into the atmosphere. Evaporation also occurs from plants, it is called transpiration

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3
Q

What exactly happens in the water cycle part 2

A

As water vapor rises high into the atmosphere, it starts to cool and becomes a liquid again. This process is called condensation. When a large amount of water vapor condensed, it results in the formation of clouds

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4
Q

What exactly happens in the water cycle part 3

A

What the clouds get to much water the let the water fall back to earth. This is called precipitation it takes the form of rain, hail, sleet or snow

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5
Q

What is ground water

A

It is water that is absorbed into the ground

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6
Q

How does the groundwater get back to lakes?

A

It gets back using the ‘through flow’

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7
Q

What is surface runoff

A

Sure face runoff is when water can’t get absorbed into the ground so runs down hills until it gets to a lake

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8
Q

What is permeable and non permeable rock

A

Impermeable is when it can’t get absorbed into the ground

Permeable rock is when water can get absorbed into it until it is filled

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9
Q

What is infiltration

A

It is when water seeps into the ground

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10
Q

Where does a river start?

A

At the source in the upland areas of the mountains

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11
Q

What is a drainage basin

A

A drainage basin is an area drained by a river and its tributaries

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12
Q

What is a tributary

A

A tributary is a smaller river joining a larger one

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13
Q

What is the boundary of the drainage basin called?

A

Watershed

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14
Q

What is the place called when two rivers join together/meet

A

Confluence

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15
Q

What is abrasion

A

It is a type of erosion Sand and rock carried by the river

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16
Q

What is attrition

A

It is a type of erosion Stones and pebbles bouncing off each other and getting carried along by the river causing the load (rocks) erode

17
Q

What is solution

A

It is a type of erosion Makes water acidic so some small materials dissolve in it

18
Q

What is hydraulic action

A

It is a type of erosion. Fast flowing water forces it’s way into cracks causing the bank to expand

19
Q

What happens when a river is faster and holds a lot of water?

A

It erodes more quickly

20
Q

What are things that are carried by a river called?

A

Load

21
Q

What is solution

A

Solution is a mode of transport. It is transparent and carries the lightest materials

22
Q

What is saltation

A

Saltation is a mode of transport. It is sand grains bouncing along

23
Q

What is suspension

A

Suspension is a mode of transport. It is the cloudy or muddy parts of soil in the river

24
Q

What is bedload

A

Bedload is big heavy rocks carried along the bottom

25
Q

What happens when a river looses energy

A

It starts to deposits rocks - starting with the heaviest

26
Q

What is traction

A

Traction is a mode of transport. It means stones role along the ground

27
Q

Which ones use up most to least energy starting with least and ending at most

A

Solution, Suspension, Saltation, Traction

28
Q

Where is the lowest part of a river?

A

The mouth where it ends

29
Q

What is a V shaped valley?

A

It is a steep narrow channel in between 2 hills

30
Q

How is a waterfall formed?

A

It is formed when a river falls from harder rock to softer rock

31
Q

What happens when the river starts to erode the soft rock underneath the hard rock

A

It creates a plunge pool

32
Q

What is the hard rock called when there is no soft rock underneath it ?

A

An overhang

33
Q

Eventually what will happen to the waterfall

A

It will make a gorge by the hard rock falling and it will retreat upstream