Hydrosphere

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Ocean's cover what percent of the Earth's surface? a. 70% b. 30% c. 10% d. 93%

a. 70%

How much of Earth's water is unavailable for humans to consume due to its high salinity? a. 97% b. 3% c. 30% d. 68%

a. 97%

How are estuaries connected to oceanic organisms? a. Estuaries provide a nursery grounds for oceanic organisms b. Estuaries provide sunlight for oceanic organisms. c. Estuaries provide primary food for oceanic organisms. d. Estuaries provide excess dissolved oxygen for oceanic organisms.

a. Estuaries provide a nursery grounds for oceanic organisms

When water goes from being a liquid to a gas (water vapor), that process is called a. Evaporation b. Condensation c. Precipitation d. Transpiration

a. Evaporation

The type of water found in oceans; it is not safe for us to drink. a. Salt water b. Fresh water

a. Salt water

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. The amount of water decreases and then increases each day d. The amount of water decreases every time evaporation occurs

a. The amount of water remains constant

An underground layer of rock or soil that has connected pores, or holes, that water can pass through. a. aquifer b. reservoir c. lake d. pond

a. aquifer

Why do plant plankton not grow in the deep ocean? a. because sunlight does not reach the deep ocean b. because too many animals eat it before it can grow c. because there are not enough dissolved gases to support it d. none of the above

a. because sunlight does not reach the deep ocean

The change of water from a liquid to a gas. a. evaporation b. condensation c. precipitation d. transpiration

a. evaporation

Animals can drink a. freshwater b. saltwater c. both

a. freshwater

Water pollution that comes from a single source is considered... a. point source pollution b. nonpoint source pollution c. thermal pollution d. ocean pollution

a. point source pollution

The majority of water on Earth is a. saltwater b. freshwater c. frozen d. found in the uppermost part of the atmosphere

a. saltwater

Which is able to give the most detailed information about the topography of a large area on the ocean floor? a. sonar b. submersibles c. satellite imagery d. teams of scuba divers

a. sonar

What does the term hydrologic cycle mean? a. the constant movement of water from Earth's surface to the atmosphere and back to Earth's surface. b. the gas form of water. c. the process by which a liquid changes into a gas. d. the process by which a gas changes into a liquid

a. the constant movement of water from Earth's surface to the atmosphere and back to Earth's surface.

What does the term fresh water mean? a. water with very little salt dissolved in it. b. water with a lot of salt dissolved in it. c. ocean water; has salt in it; most land animals can not drink it. d. a mix of fresh and saltwater.

a. water with very little salt dissolved in it.

There is only _________ percent of freshwater on earth. a. 2 b. 3 c. 4 d. 5

b. 3

How much of the earth's water is freshwater? a. 68% b. 3% c. 97% d. 93%

b. 3%

About _________ percent of all the water on Earth is in the form of salt water. a. 90 b. 97 c. 95 d. 98

b. 97

What do we use water for the most? a. Household b. Agriculture c. Transportation d. Industry

b. Agriculture

When water goes from being a gas (water vapor) to a liquid, that process is called a. Evaporation b. Condensation c. Precipitation d. Transpiration

b. Condensation

All the water on, in , and surrounding the earth a. Atmosphere b. Hydrosphere c. Biosphere d. Lithosphere

b. Hydrosphere

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.

b. It is frozen in the icecaps and glaciers.

Which is the largest zone in the ocean? a. Neritic b. Oceanic c. Intertidal d. Riveric

b. Oceanic

The ability of a liquid to flow through a substance is: a. Porosity b. Permeability

b. Permeability

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

b. Warm Water, Cold Atmosphere

How is water stored in an aquifer? a. in an open underground lake b. in cracks and spaces in rocks c. in impermeable rock d. in wells and springs

b. in cracks and spaces in rocks

Which of the following contains the largest percentage of the Earth's water? a. atmosphere b. oceans c. ice/snow d. vegetation

b. oceans

What is the driving force of the water cycle? a. wind b. sun c. soil d. clouds

b. sun

Plants release water into the atmosphere through a process called: a. evaporation b. transpiration c. infiltration d. precipitation

b. transpiration

When the sun warms plants, it causes water to evaporate out of the leaves through the small openings. This process is called a. collection b. transpiration c. absorption d. run off

b. transpiration

How much of Earth's water is fresh water? a. 100% b. 70% c. 3% d. 23%

c. 3%

Earth's oceans cover __________ percent of Earth's surface. a. 97% b. 80% c. 70% d. 93%

c. 70%

Water covers what percent of Earth's surface? a. 3% b. 50% c. 70% d. 9%

c. 70%

What is NOT an example of freshwater? a. Rivers b. Lakes c. Ocean d. Ground water

c. Ocean

Where is most of the Earth's water located? a. Rivers and Lakes b. Glaciers and Ice caps c. Ocean d. Groundwater

c. Ocean

To represent the distribution of water on earth, a teacher filled a 2-liter bottle with 2000mL of water. She then made a mark at the 1944 mL point. What should be written at the 1944 mL level to distinguish the type of water to that point? a. Water from glaciers & icebergs b. Ground water c. Ocean water d. Water from ponds, rivers, lakes & streams

c. Ocean water

What effect does the water cycle have on the total amount of water on Earth? a. The total amount of water on Earth is constantly increasing. b. The total amount of water on Earth is constantly decreasing. c. The total amount of water on Earth remains relatively constant. d. The total amount of water on Earth changes due to periods of global warming and cooling.

c. The total amount of water on Earth remains relatively constant.

How can upwellings improve fishing for ocean fishermen? a. They cause the ocean water to get warmer. b. They cause ocean currents to remain calm. c. They bring nutrients from the cold, deep ocean waters. d. They bring ocean currents from the equator.

c. They bring nutrients from the cold, deep ocean waters.

This section of a river basin consists of multiple streams merging into one? a. Floodplain b. Estuary c. Tributaries d. Watershed

c. Tributaries

What does the term reservoir mean? a. a barrier across a river that control's the river's flow. b. water that is in soil and rocks below Earth's surface. c. a body of water stored for future use. d. the area of land in which water runs off into a particular system of creeks and rivers.

c. a body of water stored for future use.

What human activity uses the most water, worldwide? a. drinking b. industry c. agriculture d. bathing

c. agriculture

An area where freshwater feeds into saltwater. a. rivers b. tide pools c. estuaries d. oceans

c. estuaries

When the sun warms liquid water and causes it to change into a gas it is called a. condensation b. precipitation c. evaporation d. infiltration

c. evaporation

Which of the following is not a process that decreases the salinity of seawater? a. infiltartion b. runoff c. evaporation d. condensation

c. evaporation

The shallowest part of the ocean ecosystem is called _______. a. neritic zone b. bathyal zone c. intertidal zone d. abyssal zone

c. intertidal zone

What does the term salt water mean? a. water with very little salt dissolved in it. b. water with a lot of salt dissolved in it. c. ocean water; has salt in it; most land animals can not drink it. d. a mix of fresh and saltwater.

c. ocean water; has salt in it; most land animals can not drink it.

Which of the following is a measure of a material's ability to transmit fluids through interconnected pore spaces? a. capacity b. competence c. permeability d. porosity

c. permeability

When water from the atmosphere back to the surface of the Earth is it called a. transpiration b. condensation c. precipitation d. infiltration

c. precipitation

Precipitation that falls to Earth's surface moves from high to low elevations. This water is called a. infiltration b. flooding c. runoff d. collection

c. runoff

What do we call the land area that supplies water to a river system? a. runoff b. recharge c. watershed d. valley

c. watershed

Which contains the greatest amount of freshwater? a. Water Vapor b. Oceans & Seas c. Lakes & Rivers d. Glaciers & Polar Ice Caps

d. Glaciers & Polar Ice Caps

Water that seeps into soil and enters through aquifers is called _____? a. Reservoir b. Standing Water c. Running Water d. Groundwater

d. Groundwater

What would happen to living things if the hydrosphere was nonexistent? a. Plants would survive but animals would die b. Animals would survive but plants would die c. Living things would be able to reproduce faster d. Living things would die

d. Living things would die

Which best explains why all of the Earth's freshwater is not available for human use? a. Most of Earth's freshwater is only in lakes b. Most of Earth's freshwater is underground. c. Most of Earth's freshwater is still in the water cycle. d. Most of Earth's freshwater is frozen water.

d. Most of Earth's freshwater is frozen water.

Trees and plants releasing water vapor into the air is called a. Evaporation b. Condensation c. Precipitation d. Transpiration

d. Transpiration

Why is freshwater very important? a. We need it for transportation b. We need it for industries c. We need it for recreation d. We need it to survive.

d. We need it to survive.

Water in the soil will be taken up by plants. Plants take up water in soil through their roots. This is called a. infiltration b. evaporation c. collection d. absorption

d. absorption

Water cycles through a. the geosphere. b. the hydrosphere. c. the atmosphere. d. all of Earth's spheres.

d. all of Earth's spheres.

water pollution can damage... a. ecosystems b. habitats c. foodchains d. all of the above

d. all of the above

Water on Earth can be found in which of the following forms? a. solid b. liquid c. gas d. all three

d. all three

Tiny water droplets form on dust particle in the atmosphere to form a. rain b. snow c. pollution d. clouds

d. clouds

In the atmosphere, water vapor cools and changes back into liquid form. This is called a. transpiration b. absorption c. infiltration d. condensation

d. condensation

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

d. evaporation

Aquifers store ____ water. a. salt b. runoff c. surface d. ground

d. ground

Some water on Earth's surface will absorb into ground. This is called a. condensation b. runoff c. collection d. infiltration

d. infiltration

What does the term precipitation mean? a. any change to a resource that makes the resource unhealthful for use. b. how safe water is for use by humans, animals and plants. c. the recycling of used water. d. water that falls from the sky as part of the hydrologic cycle in the form of rain, hail, sleet, or snow.

d. water that falls from the sky as part of the hydrologic cycle in the form of rain, hail, sleet, or snow.


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