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Hydrology practice

Total questions: 40

Worksheet time: 14mins

Name
Class
Date
1.
Surface ocean currents such as the Gulf Stream
a)
Move warm water from lower latitudes to higher latitudes
b)
Transport cold water from one pole to another
c)
Are formed in parts of the ocean where water density is greatest
d)
Move in straight paths across the ocean
2.
An earthquake causes a tsunami because the force from the quake?
a)
Pushes a large body of water up from the ocean floor
b)
Pulls water down toward the source of the quake
c)
Blows surface water away from the shore
d)
Meets the force of currents flowing in a different direction
3.
Surface currents are caused by
a)
Floods
b)
Warm Water
c)
Winds
d)
The equator
4.
Where does salt in the ocean come from?
a)
dissolved rocks and minerals
b)
Ingles
c)
The bottom of the ocean
d)
The ocean s fresh water
5.
What does salinity refer to?
a)
the temperature level of the water
b)
the depth of ocean trenches
c)
the height of the waves
d)
the level of minerals in the water
6.

What percent of the Earth's water stores is fresh water?

a)

97%

b)

45%

c)

22%

d)

3%

7.

An underground layer of rock or soil through which water moves stores water is termed

a)

Aquifer

b)

Water table

c)

aqueduct

d)

Spring

8.
Water that collects in spaces and cracks in rocks and soil underground.
a)
well
b)
aquifer
c)
groundwater
d)
irrigation
9.

Ground water can become surface water

a)

True

b)

False

10.

Surface water can become ground water through the process of

a)

Transportation

b)

Percolation

c)

Overland flow

d)

Surface run-off

11.

Underground, the upper surface of the zone of saturation

a)

water table

b)

groundwater

c)

watershed

d)

reservoir

12.

What would be the best definition of permeability?

a)

Percentage of the total volume of a rock or sediment that consists of open spaces

b)

The ability of a rock or sediment to let fluids pass through open spaces or pores

c)

The inability of a rock or sediment to let fluids pass through open spaces or pores

d)

The level below which the ground is saturated with water

13.

the continuous process by which water is circulated throughout the earth through various processes

a)

precipitation

b)

codensation

c)

water cycle

d)

evaporation

14.

the process in which water pools in large bodies like oceans, seas, and lakes

a)

surface runoff

b)

groundwater

c)

accumulation

d)

subsurface runoff

15.

water from precipitation that flows over Earth’s surface

a)

surface runoff

b)

groundwater

c)

accumulation

d)

subsurface runoff

16.

water that seeps down into the soil

a)

sublimation

b)

infiltration

c)

percolation

17.

What is the name of the imaginary line that runs round the edge of the river/drainage basin?

a)

Confluence

b)

Stream

c)

Source

d)

Watershed

18.

What is the other name for a river basin?

a)

Drainage basin

b)

Stream basin

c)

Source Basin

19.
The start of a river is called the what?
a)
River summit
b)
River source
c)
River start
d)
River mouth
20.
A river starts very small before getting larger. What is the name given to a small river that joins a larger river?
a)
Confluence
b)
Tribunal
c)
Tributary
d)
Joiner
21.
Deposition is when ...
a)
Objects are moved along the river.
b)

Material is put down along the river.

c)

Material is suspended in the water.

d)
Objects are move into the ocean.
22.
A meander is best described as ...
a)
A straight section of the river.
b)
A winding section of a lake.
c)
A section of the river that joins another river.
d)
A winding section of a river.
23.
When the bends of a Meander get close enough they can join, creating a new river path. What is left is called ...
a)
An oxback lake
b)
An oxen lake
c)
An oxcart lake
d)
An oxbow lake
24.
What river features and landforms are associated with  a cross section or profile of a river valley in its upper course.
a)
A. river source, V-shape, interlocking spurs, narrow and shallow river channel
b)
B. delta, flood plain, river mouth, levees, wide and deep river channel
c)
C. sheep farming, wind turbines, HEP (hydro-electric power) stations and dams and reservoirs
25.

Looking at the long profile of the river's course, where does most erosion occur?

a)

Upper course

b)

Middle course

c)

Lower course

d)

The mouth

26.

When the river reaches flatter land, it loses energy. So it drops or deposits its load. The deposited material is called ___________ .

a)

Sediment

b)

Solution

c)

Suspension

d)

Load

27.
An area of new land at the mouth of a river.
a)
Sand Dune
b)
Delta
c)
Fault
d)
Glacier
28.

What is a lake?

a)

it always contains fresh water

b)

stays the same size forever

c)

is a body of water surrounded by land

d)

is the same depth as the rivers that run into it

29.

Why is Lake Baykal so long and narrow?

a)

it is really a river

b)

not many rivers empty into it

c)

it is located in a trench

d)

no one knows

30.

How are lakes important to people all over the world?

a)

they provide water for crops

b)

they provide recreational opportunities

c)

they provide sources of food

d)

all of the above

31.

How the lakes are formed?

a)

By the action of glaciers

b)

By wind

c)

By the action of humans

d)

All of the above

32.

A meandering river across a floodplain forms cut-offs that later develops into ______.

a)

bow-ox

b)

ox-bow

c)

mushy area

d)

both A and B

33.

Give some uses of lakes for human.

a)

A lake helps to regulate the flow of a river.

b)

They do not moderate the climate of the surroundings.

c)

During heavy rains, it maintains the even flow of water.

d)

Helps to develop tourism and provide recreation.

34.
Wetlands are important because...
a)
they help filter water of toxins and excess nutrients
b)
they support many species
c)
they protect areas from floods 
d)
all of these choices
35.

The process of excessive nutrient input and subsequent plant and algae growth is called ___________________________.

a)

decomposition

b)

eutrophication

c)

photosynthesis

d)

succession

36.

How exactly do glaciers form lakes?

a)

Only the melting of glaciers causes the bowl shape area.

b)

The glaciers formed during the ice age in calderas that were already shaped by geological activity.

c)

The movement of those large glacial deposits eroded the land over time.

d)

None of these are correct.

37.

Volcanic lakes are formed by the water filling of the craters of extinct volcanoes and have more of a circular shape.

a)

False

b)

True

38.
What are the three common types of freshwater wetlands? 
a)
forest, swamp and marsh 
b)
bog swamp and forest
c)

marshes, swamps, and moorlands

d)
tundra, boreal, grassland 
39.

A marsh and a swamp are the same thing.

a)

True

b)

False

40.

Marshes are formed by sediment

a)

erosion

b)

deposition