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EES Hydrosphere and Humans

Total questions: 72

Worksheet time: 52mins

Name
Class
Date
1.
Why must humans clean water before using it? 
a)
Humans are unable to digest untreated river water
b)
River water is free of any contaminant or pollutants
c)
Untreated river water is brown and humans prefer clear water
d)
Clear water may contain contaminants that could harm humans
2.
How does the amount of water circulating in the water cycle change?
a)
The amount of water remains constant
b)
The amount of water increases each time it rains
c)
he amount of water decreases and then increases each day
d)
The amount of water decreases every time evaporation occurs
3.

How is freshwater treatment different from wastewater treatment?

a)

Freshwater contains oils and vitamins needed for health

b)

wastewater is not treated after use to protect the environment

c)

Wastewater removes pollution to make potable water

d)

Wastewater is treated after use to protect the environment

4.
How can a change in the pH of water affect the ecosystem
a)
Higher pH levels suffocates fish and causes them to die
b)
Lower pH levels creates a healthier environment for fish
c)
Change in pH affect which biological &chemical process occur
d)
pH levels changes the temperature of water
5.
How does warmer temperature affect plants living in the ecosystem? 
a)
holds less solids, allowing pants to grow year round
b)
Holds less gases, making plants to use gas stores in cells
c)
Holds more oxygen, letting plants conduct photosynthesis
d)
Holds more solids, blocks sunlight, and stops photosynthesis
6.
How does turbidity describe a water system's health?
a)
High turbidity contains less suspended solids and healthier
b)
Turbid water contains more dissolved gases than solids.
c)
Less turbid water contains less suspended solids than gases
d)
Low turbidity contains more gases and solids in water
7.
Which statement best describes why an algae bloom forms? 
a)
Decreased amounts of fish eating on the algae
b)
Decreas of pollution allow algae absorb gases and grow fast
c)
High amount of light stimulate photosynthesis to occur
d)
High amounts of fertilizer from farms/ fast growth of algae
8.
All the water on, in , and surrounding the earth
a)
Atmosphere
b)
Hydrosphere
c)
Biosphere
d)
Lithosphere
9.
Discharge entering a stream at a specific, detectable point such as a pipe or outfall.
a)
Point source pollution
b)
Non-point source pollution
c)
Fog
d)
Riparian
10.
Diffuse runoff from large areas of land.
a)
Point source pollution
b)
Nonpoint source pollution
c)
Sediment
d)
Watershed
11.
What is turbidity a measure of?
a)
Photosynthesis in water.
b)
Change in biological activity.
c)
Cloudiness of water.
d)
Solubility of atmospheric gases in water.
12.
Which of the following can directly increase water turbidity?
a)
Decreased temperature and sewage dumping
b)
Algae growth and increased pH.
c)
Increased soil erosion and algae growth.
d)
Fertilizer runoff and increased DO.
13.
Macroinvertebrates such as stoneflies, mayflies and water boatmen require high levels of dissolved oxygen and their abundance is an indication of:
a)
Poor water quality
b)
Good water quality
c)
Don't tell us anything about water quality
d)
Invertibrates don't tell us anything about water quality
14.

Where is most of the Earth's water located?

a)

Rivers and Lakes

b)

Glaciers and Ice caps

c)

Ocean

d)

Groundwater

15.

Why is MOST of the freshwater on Earth not available for our use?

a)

All freshwater on Earth is easily accessible for use.

b)

It is frozen in the icecaps and glaciers.

c)

It is surface water.

d)

It is underground.

16.

Certain stages of the water cycle are most likely occurring under certain weather conditions. Which stage is most likely going to occur on a warm, sunny day?

a)

precipitation

b)

condensation

c)

collection

d)

evaporation

17.

How much of the earth's water is freshwater?

a)

68%

b)

3%

c)

97%

d)

93%

18.

Aquifers store ____ water.

a)

salt

b)

runoff

c)

surface

d)

ground

19.

What do we use water for the most?

a)

Household

b)

Agriculture

c)

Transportation

d)

Industry

20.

What is the best combination of water temperature and atmosphere temperature to make it rain?

a)

Warm Water, Warm Atmosphere

b)

Warm Water, Cold Atmosphere

c)

Cold Water, Warm Atmosphere

d)

Cold Water, Cold Atmosphere

21.
Which is most likely an example of point source pollution?
a)
fertilizer sprayed onto a field
b)
water runoff from a city street 
c)
a pipe flowing into a river
22.
An area of land that drains into a body of water.
a)
mouth
b)
point-source pollution
c)
watershed
d)
headwaters
23.
What is Point-Source pollution? 
a)
pollution coming from a specific one site
b)
unsure of the places the pollution is coming from 
c)
Oil spills in to the ocean
d)
None of the above
24.

Select the 3 main global uses of water

a)

Residential

b)

Municipal

c)

Industrial

d)

Agricultural

25.

Which is NOT a residential use of water?

a)

Cooking and drinking

b)

Watering crops

c)

Showers and toilets

d)

Washing cars

26.

What will most likely occur if the human population continues to grow at current rates?

a)

There will be fewer natural resources available for future generations

b)

There will be an increase in nitrogen levels in the atmosphere

c)

There will be a decrease in water pollution

d)

There will be an increase in the number of strong hurricanes

27.

Which of of the following is a source of fresh water?

a)

Sea

b)

River

c)

Ocean

d)

All the above

28.

A scientist studies a sample of swamp water. She finds that there are many dead plants and fish in the water. What could have caused this?

a)

Oxygen

b)

Litter

c)

Mud

d)

Pebbles and sand

29.

What is the main cause of water pollution?

a)

Invasive species

b)

Animals

c)

Plants and insects

d)

Human impact

30.

Keeping the water running when you brush your teeth wastes a lot of water

a)

True

b)

False

31.

How can we help prevent water pollution? (Select all right answers)

a)

Use less detergents

b)

Do not pour grease down the drain

c)

Allow farm waste to wash off into lakes

d)

Use less fertilizers on crops

32.

What is an example of nonpoint source pollution?

a)

Runoff from a nearby farm

b)

An abandoned drain leaking int oa river

c)

Dumping trash into the toilet

d)

Sewage water in downtown Dallas

33.

what makes hydroelectricity?

a)

WATER

b)

ELECTRICITY

c)

DAMS

d)

RIVER

34.

Which of the following can be referred to as both domestic and recreational uses of water?

a)

Bathing

b)

Drinking water

c)

Canoeing

d)

Swimming

35.

Which of the hydrological processes does this refer to?


Water seeps into the ground which will then be absorbed by plants or stored.

a)

Surface Runoff

b)

Infiltration

c)

Groundwater

d)

Precipitation

36.
How is most water supplied in the United States?
a)
Groundwater
b)
Divertion
c)
Desalination
d)
Dams
37.
Describes the chemical, physical and biological attributes of water as it is fit for drinking, fishing, swimming, farming, etc
a)
Water Quality
b)
Water Sheds
c)
Dissolved oxygen
d)
nitrates
38.
The amount of oxygen in the water, measured in parts per million (ppm)
a)
pH
b)
Dissolved Oxygen
c)
nitrates
d)
eutrophication
39.
We used bioindicators to measure the quality of water.  What is a bioindicator?
a)
any living creature
b)
eutrophication
c)
An organism sensitive to its environment
d)
a turbidity tube
40.
The specific bioindicator we used were macroinvertebrates.  What is a macroinvertebrate?
a)
large enough to be seen without a microscope with no backbone (bugs)
b)
any bioindicator
c)
nitrates
d)
pH
41.
What is the healthiest combination listed?
a)
low pH, high nitrates, neutral temperature
b)
low temperature, neutral pH and low nitrates
c)
as many nitrates as possible, low temp and low pH
d)
high temp, high nitrates and high pH
42.
High turbidity means.....
a)
very clear water
b)
neutral pH
c)
very murky or cloudy water
d)
high nitrates
43.
what is the biggest impact of run-off in urban areas on stream health?
a)
incised, steep banks and a narrow stream channel due to erosion
b)
high turbidity
c)
high nitrates due to fertilizer
d)
sewage leaks
44.
how does increasing nitrates impact stream health
a)
excess algae
b)
increased oxygen
c)
increased water clarity
45.
If water temperature goes UP, what happens to the level of Dissolved oxygen?
a)
It goes up
b)
It goes down
46.
Which water quality indicator will be most impacted by burning fossil fuels and air pollution?
a)
nitrates
b)
pH (water will be more acidic)
c)
Dissolved oxygen
d)
turbidity
47.
A post development (urbanized) stream will most likely have which combination of physical characteristics?
a)
sloping banks, many habitat transitions, varied substrate sizes
b)
wide sloping banks with few habitat transitions and little substrate variation
c)
Incised banks, fewer habitat transitions and less variation in substrate size
d)
incised banks, no trees, lots of habitat transitions and a wide variety of substrate sizes
48.

What does a pH of 7 mean?

a)

acid

b)

base

c)

neutral

49.

What does a pH below 7 mean?

a)

acid

b)

base

c)

neutral

50.

What does a pH above 7 mean?

a)

acid

b)

base

c)

neutral

51.

Which beaker in the image has the highest turbidity?

a)

A

b)

B

c)

C

d)

D

52.

Which beaker in the image has the lowest turbidity?

a)

A

b)

B

c)

C

d)

D

53.

Which conditions would be best for growing plants?

a)

high dissolved oxygen, high nitrates, high phosphates

b)

low dissolved oxygen, low nitrates, low phosphates

c)

high dissolved oxygen, low nitrates, low phosphates

d)

low dissolved oxygen, high nitrates, high phosphates

54.

Which is a true statement of the diagram above?

a)

As temperature increases dissolved oxygen increases

b)

As temperature decreases dissolved oxygen decreases

c)

As temperature increases dissolved oxygen decreases

d)

Noe of the above

55.

A small city gets its drinking water from the river running through its center. This river is fed by rivers that flow down the mountains nearby.How would excessive rainfall in the mountains most likely affect the turbidity of this local water source?

a)

A. Heavy rainfall would decrease the turbidity of the river downstream.

b)

B. Heavy rainfall would increase the turbidity of the river downstream.

c)

C. Heavy rainfall would increase the turbidity of only rivers upstream.

d)

D. Heavy rainfall would decrease the turbidity of only rivers upstream.

56.

Which is the best example of a point source pollution?

a)

A. runoff from fields

b)

B. pesticides sprayed into the air

c)

C. oil spill from a boat in the Atlantic Ocean

d)

D. smoke from multiple industries in a large city

57.

Which human activity has the most negative impact on water quality?

a)

washing clothes

b)

recreational boating

c)

flushing toilets

d)

agriculture

58.

Which is the most important reason for maintaining clean water?

a)

Goods cannot be transported easily without water

b)

Energy cannot be generated without water

c)

People cannot maintain proper hygiene without water

d)

Organisms cannot live and grow without water

59.

Coliform bacteria in runoff from a nearby farm.

a)

Point Source Pollution

b)

Non-point source pollution

60.

Sewage leaking from a pipe.

a)

Point Source Pollution

b)

Non-point source pollution

61.

Chemicals dumped into a river from an unknown source.

a)

Point Source Pollution

b)

Non-point source pollution

62.

Septic tank leaking and contaminating groundwater.

a)

Point Source Pollution

b)

Non-point source pollution

63.

toxic waste leaking from a barrel buried underground.

a)

Point Source Pollution

b)

Non-point source pollution

64.

Fertilizer farm runoff

a)

Point Source Pollution

b)

Non-point source pollution

65.

oil leaking from cars in a parking lot is found in runoff

a)

Point Source Pollution

b)

Non-point source pollution

66.

trash in runoff from an urban area

a)

Point Source Pollution

b)

Non-point source pollution

67.

Pesticides runoff: A point source or Nonpoint source pollution?

a)

Point source

b)

Nonpoint source

c)

Both of them

68.

Leaking fuel tank: Point source or Nonpoint source?

a)

Point source

b)

Nonpoint source

c)

Both of them

69.

Nonpoint source pollution comes from different sources.

a)

True

b)

False

c)

Maybe

70.

Oil, Grease and toxic chemicals from the roadways runoff into a nearby lake

a)

Point Source Pollution

b)

Nonpoint Source Pollution

71.

Check all that apply. What are the two types of pollution sources?

a)

Nonpoint-source

b)

Direct source

c)

Point-source

d)

Water

72.

Pollution that comes from MANY different sources that are difficult to identify is called ___________.

a)

Indutrialization

b)

Point-source

c)

Nonpoint-source

d)

Human activity

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