Which is true about water as a natural resource?

Water is a renewable resource that requires good stewardship

Water is a renewable resource, so its supply cannot be exhausted

Water is a nonrenewable resource, but its supply cannot be exhausted

How does upwelling generally affect the dissolving of gases in ocean water?

Cooler water increases the amount of gas dissolved

Cooler water decreases the amount of gas dissolved

Warmer water increases the amount of gas dissolved

How is SONAR used to map the surface of the ocean floor?

Sound waves are emitted and bounced off the ocean floor to determine distances

Light waves are used to take pictures of the ocean floor

Various temperatures are measured to determine the depth of the ocean floor

Scuba divers take videos and photographs to document the ocean floor

Which would most affect the health of fish in a local pond?

The daily release of hot water from a local factory

A storm temporarily stirring up sediment

The occasional erosion of sediments from a field

A slight increase in the number of fishermen

Which best describes the importance of an aquifer?

It holds uncontaminated ground water for human consumption

It supplies all the water for lakes and rivers

Which activity within a river basin would most likely contribute to the pollution of a river?

Using a hose to water motor oil from a driveway into a storm drain

Washing a muddy truck on a grass lawn

Washing used paint brushes in a sink

Using a blower to clean debris from a deck

Which is the main source of dissolved oxygen in the ocean?

plants and algae that live near the surface

animals that live near the surface

How do oceanic upwellings promote the growth of microscopic plankton?

They bring dissolved nutrients to the surface of the ocean

They bring warm water to the surface of the ocean

The decrease the levels of oxygen at the surface of the ocean

They decrease the amount of nutrients at the surface of the ocean

Which would be the impact on the environment if there were no estuaries?

There would be more pollutants in the ocean

There would be a decrease in the concentration of salt in the ocean

There would be less boating, fishing and swimming in local rivers

Why are many fishing boats found near areas of upwelling?

Many marine species gather there to eat the nutrients brought to the surface.

There is less vegetation there.

The water is less turbulent there.

Upwellings are found in more shallow waters, so boats do not need anchorage.

What are the most abundant dissolved gases in the ocean?

nitrogen, oxygen and carbon dioxide

carbon dixoide, methane and oxygen

Which is the most beneficial reason for installing a water softener?

The amount of calcium and magnesium in the water will be reduced

The cost of water will be reduced

The number of bacteria in the water will be reduced

The amount of hydrogen in the water will be reduced

What is the purpose of waste water treatment?

to remove solids and kill germs

to balance chemicals in the water

to store water in areas without aquifers

Hydrology

Authored by Stephanie Jacobs

Biology

8th Grade

NGSS covered

Used 322+ times

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30 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which pair of organisms represents a connection between aquatic and terrestrial food webs?

whales and plankton

seagulls and oysters

spiders and mosquitoes

humans and coral

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which condition in the ocean is most responsible for an increase in the fish population near the surface?

buoyancy

density

salinity

upwelling

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between dissolved oxygen and temperature?

high temperature leads to low oxygen levels

high temperature leads to high oxygen levels

low temperature leads to low oxygen levels

no relationship between temperature and oxygen levels

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does pH negatively affect water sources?

low pH is harmful

high pH is harmful

neutral pH is harmful

both low and high pH is harmful

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is meant by high turbidity?

The water is very clear.

The water can support many organisms.

The water is very acidic.

The water is very cloudy.

Tags

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process is used in sewage treatment to kill infectious bacteria?

sedimentation

chlorination

filtration

floatation

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where is most freshwater located on Earth?

polar ice caps

groundwater

lakes

rivers

Tags

NGSS.MS-ESS2-4

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Hydrology

Which pair of organisms represents a connection between aquatic and terrestrial food webs?

Which condition in the ocean is most responsible for an increase in the fish population near the surface?

What is the relationship between dissolved oxygen and temperature?

How does pH negatively affect water sources?

What is meant by high turbidity?

Which process is used in sewage treatment to kill infectious bacteria?

Where is most freshwater located on Earth?

Which would most likely result from a decrease in water supply to watersheds?

Which dissolved gas is added to ocean water as a result of photosynthesis?

Which is true about water as a natural resource?

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