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8 e 1 choice board assignment

Total questions: 113

Worksheet time: 1hrs 8mins

Name
Class
Date
1.
Place where freshwater meets saltwater. Several animals visit here to have their babies.
a)
Intertidal
b)
Estuary
c)
Aquifier
d)
Ocean
2.
A scale used to measure the acidity of water.
a)
pH
b)
Nitrate
c)
Methane
d)
Turbidity
3.
Movement of cold, nutrient-rich water from the deep ocean to the ocean surface.
a)
Tides
b)
Ocean
c)
Upwelling
d)
River Basin
4.
Greater in salt water than freshwater.
a)
Nitrate
b)
Salinity
c)
pH
d)
Algae
5.
The cloudiness of water; decreases photosynthesis.
a)
Turbidity
b)
Dissolved Oxygen
c)
Temperature
d)
pH
6.
An organism whose status in an ecosystem is analyzed as an indication of the ecosystem's heath.
a)
Bio-indicator
b)
Algae
c)
Organism
d)
Nitrate
7.
Which technological tool uses a sound echo to measure distance?
a)
sonar 
b)
submarine 
c)
ocean buoy
d)
robotic probe
8.
Why do large numbers of ocean life-forms live near areas of upwelling?
a)
Upwelling brings nutrients to the surface.
b)
Upwelling brings warm water to the surface
c)
Upwelling helps push small fish up toward the surface
d)
D. Upwelling keeps large predator fish away from the surface
9.
Where does most fresh water exist? 
a)
ice caps, lakes, and streams 
b)
glaciers, rivers, and oceans 
c)
aquifers, ice caps, and glaciers
10.
Which is the main source of dissolved oxygen in a body of water? 
a)
erosion 
b)
the atmosphere
c)
volcanic eruptions
11.
Which would most likely cause a sudden increase of nitrates in a waterway?
a)
spill from an oil tanker
b)
runoff from a boat yard
c)
runoff from a golf course
d)
discharge from a chemical plant
12.
Of the 74% of Earth’s surface that is covered in water, which contains the most water? 
a)
lakes 
b)
rivers 
c)
oceans 
d)
streams 
13.
Which is Earth’s largest source of drinkable water?
a)
lakes 
b)
rivers 
c)
oceans 
d)
aquifers 
14.
How does the use of a pH meter help monitor the hydrosphere? 
a)
by indicating whether the water is too acidic or basic
b)
by indicating if there is too much sediment in the water 
c)
by indicating whether microorganisms are living in the water
d)
by indicating if there is enough dissolved oxygen in the water
15.
Which chemical elements in fertilizers pollute stormwater runoff and contribute to excessive plant growth in a water system?
a)
iron and lead
b)
copper and zinc 
c)
calcium and magnesium 
d)
phosphorous and nitrogen
16.
 Which would most likely result in an unhealthy aquatic habitat?
a)
a decrease in turbidity
b)
a decrease in nitrates levels
c)
an increase in water temperature
d)
an increase in dissolved oxygen levels
17.
In which part of the ocean do the greatest number of organisms live?
a)
in the deep zone to escape predators
b)
 near the shore to burrow in the sand
c)
close to the surface to be near the largest food source
d)
in the open ocean to regulate their bodies in cooler temperatures
18.
Which technological tool uses a sound echo to measure distance?
a)
sonar 
b)
submarine 
c)
ocean buoy
d)
robotic probe
19.
Why might countries bordering the Pacific ocean have problems getting enough water to meet the needs of their citizens?
a)
The water is too cold to use. 
b)
Removing salt from the water is too expensive and impractical.
c)
There are more people in the countries than the water can nourish.
20.
Which is the best way to conserve water?
a)
Take a daily bath rather than a shower. 
b)
Wash several small loads of clothing rather than a few large ones
c)
Use the dishwasher only for small loads rather than for large loads.
d)
Install low-flow toilets that reduce the amount of water being flushed. 
21.
Why do large numbers of ocean life-forms live near areas of upwelling?
a)
Upwelling brings nutrients to the surface.
b)
Upwelling brings warm water to the surface
c)
Upwelling helps push small fish up toward the surface
d)
D. Upwelling keeps large predator fish away from the surface
22.
Which of the following could occur as the result of runoff of high nitrogen fertilizers from farmlands near a lake?
a)
an increase in algae growth resulting in low oxygen levels in the lake
b)
a decrease in mineral storage reducing carbon levels of the lake
c)
a decrease in pollution resulting in lower ozone levels in the lake area 
d)
an increase in deforestation reducing animal populations in the lake area
23.
Where does most fresh water exist? 
a)
ice caps, lakes, and streams 
b)
glaciers, rivers, and oceans 
c)
aquifers, ice caps, and glaciers
24.
Which is the main source of dissolved oxygen in a body of water? 
a)
erosion 
b)
the atmosphere
c)
volcanic eruptions
25.
Which can households do to help the local wastewater treatment facility function properly? 
a)
put food waste in a composter instead of in the trash
b)
dispose of cooking oil and grease in the kitchen sink 
c)
. flush only human waste and toilet paper down the toilet
d)
volunteer to help operate the treatment plant once a month 
26.
Which would most likely cause a sudden increase of nitrates in a waterway?
a)
spill from an oil tanker
b)
runoff from a boat yard
c)
runoff from a golf course
d)
discharge from a chemical plant
27.
Which is an unlikely source of water for a river basin?
a)
melting snow 
b)
ocean water 
c)
melting ice 
28.
Of the 74% of Earth’s surface that is covered in water, which contains the most water? 
a)
lakes 
b)
rivers 
c)
oceans 
d)
streams 
29.
Which is Earth’s largest source of drinkable water?
a)
lakes 
b)
rivers 
c)
oceans 
d)
aquifers 
30.
If a large amount of fertilizer enters a lake, which will most likely happen?
a)
The fish population in the lake will increase. 
b)
The temperature of the lake water will increase. 
c)
The number of fish dying in the lake will increase. 
d)
The available food supply for the fish in the lake will increase. 
31.
Which most likely has the highest number of contaminants in the water?
a)
a water system with moderate turbidity
b)
a water system with high turbidity
c)
a water system with low turbidity
d)
a water system with no turbidity
32.
Fish tank owners will often add ammonia to the tank to increase the nitrate levels. If too much ammonia is added, what might occur?
a)
Algae growth will stop, and oxygen will not be produced. 
b)
Algae growth will increase, causing oxygen levels to increase. 
c)
Algae growth will increase, causing oxygen levels to decrease. 
d)
Algae growth will decrease, causing oxygen levels to decrease. 
33.
How does the use of a pH meter help monitor the hydrosphere? 
a)
by indicating whether the water is too acidic or basic
b)
by indicating if there is too much sediment in the water 
c)
by indicating whether microorganisms are living in the water
d)
by indicating if there is enough dissolved oxygen in the water
34.
Which best describes the water in an estuary?
a)
brackish 
b)
frozen 
c)
fresh 
d)
salt 
35.
Which would result if annual rainfall amounts were reduced by 50%? 
a)
a flood
b)
a surplus 
c)
a drought 
d)
a monsoon
36.
Which is the most likely result of an increase in the level of nitrates in a body of water?
a)
increase in turbidity
b)
increase in plant growth 
c)
. increase in fish population 
d)
increase in water temperature
37.
Which chemical elements in fertilizers pollute stormwater runoff and contribute to excessive plant growth in a water system?
a)
iron and lead
b)
copper and zinc 
c)
calcium and magnesium 
d)
phosphorous and nitrogen
38.
Which is most likely indicated by the presence of many dead fish on a coastal shoreline? 
a)
higher tides 
b)
ocean pollution 
c)
stronger currents
d)
heavy inland winds 
39.
Which is the most important reason for maintaining clean water?
a)
Energy cannot be generated without water.
b)
Organisms cannot live and grow without water. 
c)
 Goods cannot be transported easily without water.
d)
People cannot maintain proper hygiene without water. 
40.
Which is one way people can help prevent the pollution of lakes and rivers?
a)
by controlling soil erosion around lakes and rivers 
b)
by clearing land around lakes and rivers to build homes
c)
by limiting the amount of fish caught in lakes and rivers
d)
by creating hiking and biking trails along lakes and rivers
41.
Which will most likely happen to a biological indicator species if there is a sudden increase in pollution? 
a)
There will be a significant increase in the population numbers and the quality of the individuals. 
b)
There will be a significant decrease in the population numbers and the quality of the individuals. 
c)
The biological indicator species will reproduce at lower rates, which will maintain population numbers.
d)
The biological indicator species will reproduce at higher rates, which will maintain population numbers. 
42.
 Which best describes the importance of an aquifer?
a)
 It holds uncontaminated ground water for human consumption. 
b)
It supplies all water for lakes and rivers. 
c)
It provides water for oceans. 
43.
 Which is an incorrect order of the water cycle? 
a)
evaporation condensation precipitation
b)
evaporation precipitation condensation
c)
 precipitation evaporation condensation
44.
How might fertilizer runoff from a soybean field affect the quality of water in the farm pond? 
a)
It increases the pH level.
b)
It decreases the overall water temperature. 
c)
It promotes algae growth, which lowers the oxygen level in the pond
d)
It decreases the turbidity, which lowers the amount of particles in the pond. 
45.
What would most likely happen to the entire ocean food web if plankton were not available?
a)
All organisms that live in the ocean would not survive.
b)
The organisms would adapt and find another source of food. 
c)
Only whales and other large ocean mammals would be affected.
46.
Why are upwellings in the ocean essential for some organisms to survive? 
a)
because many animals need low-tide conditions each day
b)
because currents carry predators away from the surface
c)
because the warm water kills bacteria before it can harm plankton
d)
because needed nutrients and dissolved gases are brought into new areas 
47.
The EPA (Environmental Protection Agency) regulates the level of turbidity in drinking water to protect public health. The EPA sets the limit at 0.3 NTU (Nephelometric Turbidity Units). The data below shows the turbidity level of four samples taken from the same location over four consecutive days. 
Based on the data, which best explains the quality of the drinking water?
a)
The drinking water is safe because the first two samples are belowthe recommended limit.
b)
The drinking water is unsafe because the last two samples are above the recommended limit.
c)
The drinking water is unsafe because the last two samples are below the recommended limit. 
d)
The drinking water is safe because the average of the samples is below the recommended limit. 
48.
The water cycle describes the movement of the water of Earth. About 96% of the water of Earth is the salt water found in the oceans while the remaining 4% is fresh water. Where would the majority of the freshwater on Earth be found? 
a)
groundwater and aquifers 
b)
swamps and wetlands
c)
ice caps and glaciers
d)
lakes and rivers
49.
 Where is the majority of Earth’s freshwater found? 
a)
polar ice caps
b)
rivers 
c)
ponds 
d)
lakes 
50.
 Which best explains why a scientist would use nets to capture and count organisms in a river? 
a)
to measure pH 
b)
to measure turbidity
c)
to measure biodiversity
d)
to measure temperature 
51.
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
52.
 In many communities, a network of pipes called sanitary sewers carries sewage away to
a)
wastewater treatment plants
b)
desalination plants
c)
irrigation systems. 
d)
hydroelectric power plants
53.
 An example of how living things can help clean up polluted water is
a)
driving more gas-powered vehicles
b)
allowing the rock in an aquifer to naturally purify groundwater
c)
avoiding using fertilizers on lawns or gardens.
d)
 adding oil-eating bacteria to water polluted by an oil spill.
54.
 Pesticides are most likely to be found in runoff from
a)
roads. 
b)
farm fields.
c)
homes. 
d)
factories. 
55.
Specific sources of pollution that can be identified are called
a)
point sources.
b)
nonpoint sources
c)
runoff. 
d)
sewage.
56.
the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers
a)
benthic zone
b)
aphotic zone
c)
neritic zone
d)
open oceans
57.
the portion of a lake or ocean where there is little or no sunlight;formally defined as the depths beyond which less than 1% of sunlight penetrates.
a)
photic zone
b)
aphotic zone
c)
benthic zone
d)
neritic zone
58.
the area of the shore and seabed that is exposed to the air at low tide and submerged at high tide, i.e. the area between tide marks
a)
neritic zone
b)
intertidal zone
c)
photic zone
d)
upwelling
59.
the relatively shallow part of the ocean above the drop-off of the continental shelf, approximately 200 meters in depth
a)
intertidal zone
b)
photic zone
c)
neritic zone
d)
downwelling
60.
wind-driven process in which nutrient-rich, denser, colder water moves to the surface
a)
upwelling
b)
downwelling
c)
phytoplankton
d)
hydrothermal vents
61.
a fissure in a planet's surface from which geothermally heated water issues. Hydrothermal vents are commonly found near volcanically active places, areas where tectonic plates are moving apart, ocean basins, and hotspots
a)
hydrothermal vents
b)
estuary
c)
open ocean
d)
photic zone
62.
the sunlit top layer of the ocean beyond the continental shelves; the vast bulk of the sea, it covers over 360,000,000 square kilometers of the Earth's surface and is referred to as the 'marine desert' because nutrients are lower here than in the shallow seas; life can be scarce
a)
open ocean
b)
aphotic zone
c)
benthic zone
d)
phytoplankton
63.
microscopic marine producers/base of an aquatic food web
a)
estuary
b)
open ocean
c)
phytoplankton
d)
hydrothermal vents
64.

a place where freshwater meets up with salt water; nature's nursery

a)

phytoplankton

b)

estuary

c)

hydrothermal vents

d)

photic zone

65.

When the atoms or molecules of a substance stick to other substances

a)

Adhesion

b)

Cohesion

c)

Condensation

d)

Evaporation

66.

When the atoms or molecules of a substance stick together

a)

Density

b)

Polarity

c)

Cohesion

d)

Adhesion

67.

How much heat energy it will take to raise or lower the temperature of an object. Water has a high specific heat meaning it takes a lot of energy to change the temperature of water.

a)

Thermal

b)

Specific heat

c)

Surface tension

d)

Evaporation

68.

Atoms and molecules in the surface of a substance exhibit the property of

cohesion

a)

Specific Heat

b)

Adhesion

c)

Polarity

d)

Surface Tension

69.

A measure of the amount of salt in a body of water

a)

Solvent

b)

Specific heat

c)

Salinity

d)

Surface Tension

70.

Having a positive and negative end (pole)

a)

Polarity

b)

Precipitation

c)

Electromagnetism

d)

Salinity

71.
Bio-indicators
a)
A measure of how acidic or how basic a liquid is
b)
An organism used to monitor the health of an ecosystem.
c)
a chemical that includes nitrogen and oxygen, often used as a fertilizer
72.
Nitrate
a)
a chemical that includes nitrogen and oxygen, often used as a fertilizer
b)
A fertilizer containing phosphorus compounds
c)
Too many nutrients in a body of water frequently due to runoff from the land. It causes a dense growth of plant life and death of animal life from lack of oxygen.  (It can cause algal bloom.)
73.
pH
a)
An organism used to monitor the health of an ecosystem.
b)
amount of oxygen that is present in the water
c)
A measure of how acidic or how basic a liquid is
74.
Aquatic
a)
Land
b)
Water
c)
Heat
75.
Phosphate
a)
A fertilizer containing phosphorus compounds
b)
a chemical that includes nitrogen and oxygen, often used as a fertilizer
c)
A measure of how clear water is
76.
Eutrophication
a)
An organism used to monitor the health of an ecosystem.
b)
Too many nutrients in a body of water frequently due to runoff from the land. It causes a dense growth of plant life and death of animal life from lack of oxygen.  (It can cause algal bloom.)
c)
amount of oxygen that is present in the water
77.
Dissolved oxygen
a)
A measure of how clear water is
b)
A fertilizer containing phosphorus compounds
c)
amount of oxygen that is present in the water
78.
Turbidity
a)
A measure of how acidic or how basic a liquid is
b)
a chemical that includes nitrogen and oxygen, often used as a fertilizer
c)
a measure of how clear water is
79.
Portion of land drained by a river and its tributaries. It encompasses all of the land surface dissected and drained by many streams and creeks that flow downhill into one another
a)
Estuary
b)
Ocean
c)
River Basin
d)
Creek
80.
Definition of brackish
a)
Water that is slightly salty.
b)
An area of land drained by a river and its branches (streams and creeks).
c)
The measure of how salty water is
d)
Wide variety of plants and animals live in an estuary
81.
Definition of watershed
a)
land that has a wet and spongy soil, as a marsh, swamp, or bog.
b)
An area of land drained by streams that flow into a bigger river.
c)
an area where a river flows into the ocean (fresh and salt water mix)
d)
land that has a wet and spongy soil, as a marsh, swamp, or bog.
82.
Potable
a)
something that makes water no longer suitable for use
b)
a single identifiable source of pollution
c)
Water that is safe to drink
83.
Contaminant
a)
change to a solid state
b)
something that makes water no longer suitable for use
c)
pollution that comes from many sources
84.
Point source pollutant
a)
loosely clumped masses of fine particles
b)
pollution that comes from many sources
c)
a single identifiable source of pollution
85.

Deep ocean technology has discovered organisms in hydrothermal vents that do not rely on sunlight to survive. What do these organisms use as their energy source?

a)

chemosynthesis

b)

electrical charge

c)

hydropower

d)

thermal heat

86.
Water is called the __________________ because so many substances dissolve in it. 
a)
Neutral
b)
Universal Solution
c)
Universal Solvent
d)
Water Cycle
87.
How close water molecules are to one another - compactness. 
a)
Cohesion
b)
Capillary Action
c)
Density
d)
Buoyancy
88.
What is the water cycle?
a)
the 3 forms of water
b)
the movement of water on, above, or below the surface of the Earth
c)
when water melts
d)
when clouds form
89.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
90.
Evaporation happens when the sun ___________ water and turns it into vapor.
a)
cools
b)
heats up
c)
freezes
d)
lights up
91.
What is a layer of rock or sediment that holds water?
a)
glacier
b)
well
c)
aquifer
d)
natural spring
92.

What is it when water flows through porous rock to get to an aquifer?

a)

Percolation

b)

Transpiration

c)

Runoff

d)

Collection

93.

What is the process called when water vapor turns to liquid water?

a)

evaporation

b)

condensation

c)

precipitation

d)

transpiration

94.

What do we call water in its gas state?

a)

rain

b)

snow

c)

ice

d)

water vapor

95.

What is precipitation?

a)

Sweat from our bodies on hot days

b)

Warm rain but not cold snow or sleet

c)

Gas that we use in furnaces or ovens

d)

Any form of water that falls from the sky

96.

Runoff means...

a)

water vapor cooling to form clouds

b)

water running downhill

c)

water falling from the sky

d)

water heating up and rising as gas

97.
A horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean's surface.
a)
Gulf Stream
b)
Global Conveyor Belt
c)
Surface Current
d)
Gyre
98.

What is Brine?

a)

Water with a high concentration of Sodium Chloride

b)

Water with a high concentration of Lead Bromide

c)

Vinegary water

d)

Pure water

99.

sound waves used to make a map of the ocean floor

a)

ocean floor topography

b)

sonar

c)

seamount

d)

continental slope

100.

the process in which plants use light energy to make food

a)

Pistil

b)

Pollen

c)

Anther

d)

Photosynthesis

101.

What is a cold seep?

a)

A term that describes an organism associated with a water environment.

b)

A phenomenon in which a body of water becomes rich in nutrients

c)

a place in the ocean floor where nutrient rich, cold water oozes up from the earth's crust beneath the sediment

d)

organisms or components of organisms that are used to assess the health of a water system

102.

What is a reservoir?

a)

along the coast, where the land and water meet

b)

a large natural or artificial lake used as a source of water supply.

c)

A land area that is covered with a shallow layer of water during some or all of the year

d)

A structure of calcite skeletons built up by coral animals in warm, shallow ocean water.

103.

What is ground water?

a)

Flow of water from the land surface into the subsurface.

b)

Ability of soil to absorb water; used for septic systems.

c)

Water found below the Earth's surface

d)

The change of state from a gas to a liquid

104.

Nekton

a)

All organisms that swim actively in open water, independent of currents

b)

Describing organisms that live in the water column away from the ocean bottom

c)

A measure of the amount of dissolved salts in a given amount of liquid

d)

The amount of energy required to raise the temperature of 1 gram of a substance by 1 degree celsius

105.

Sewage

a)

solid and liquid waste from homes and other buildings that is carried away by sewers or drains

b)

A measure of how suitable water may be for drinking

c)

an organism without a backbone that can be seen without a microscope.

d)

oxygen dissolved in water, dissolved oxygen is important for fish and other aquatic animals

106.

Why is upwelling (deep water moving to the surface) important?

a)

Upwelling makes the ocean more salty.

b)

Upwelling provides nutrient rich water that sustains life

c)

Upwelling controls the tides

d)

Upwelling helps sailors to navigate the seas

107.

A substance that kills unwanted plants is called:

a)

a pesticide

b)

a herbicide

c)

a bio remediator

d)

a fungicide

108.

A substance that kills unwanted insects is called:

a)

a pesticide

b)

a herbicide

c)

a bio-remediator

d)

a fungicide

109.
pollutants entering waterways from a general area, such as runoff from farmland or suburban communities
a)
Pollution
b)
Point Source Pollution
c)
Non-point Source Pollution
d)
Turbidity
110.

EPA stands for:

a)

Equal Protection of Animals

b)

Environmental Police Association

c)

Energy Production Alliance

d)

Environmental Protection Agency

111.

Water quality

a)

a place in the ocean floor where nutrient rich, cold water oozes up from the earth's crust beneath the sediment

b)

solid and liquid waste from homes and other buildings that is carried away by sewers or drains

c)

used to describe the health of a water system

d)

A term that describes an organism associated with a water environment

112.

Temperature

a)

A phenomenon in which a body of water becomes rich in nutrients

b)

A measure of how clear water is.

c)

organisms or components of organisms that are used to assess the health of a water system

d)

A measure of the average energy of motion of the particles of a substance.

113.

Water treatment

a)

used to describe the health of a water system

b)

The process of purifying water to make it suitable for consumption and utilization

c)

a place in the ocean floor where nutrient rich, cold water oozes up from the earth's crust beneath the sediment

d)

Portion of the shoreline that lies between the high and low tide lines

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