NC Final Exam Review (2016-2017)

Cracks in rocks widen as water in them freezes and thaws. How does this affect the surface of the Earth?

• It reduces the rates of soil formation.
• It changes the chemical composition of the rocks.
• It exposes rocks to increased rates of erosion and weathering.
• It limits the exposure of rocks to acid precipitation.

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NGSS.MS-ESS2-2

How can urbanization affect a local area?

• It can increase the number of invasive species in an area.
• It can decrease the risk of water pollution in an area.
• It can increase the risk of flooding in an area.
• It can decrease the need for natural resources in an area.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Which is a farming technique that could improve the soil and the environment?

• using fueled machines that will turn the soil continuously
• creating undisturbed layers of mulch in the soil
• placing inorganic chemical fertilizers in the soil
• irrigating the soil with salty water

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NGSS.MS-ESS2-1

NGSS.MS-LS1-5

Subsurface ocean currents continually circulate from the warm waters near the equator to the colder waters in other parts of the world. What is the main cause of these currents?

• differences in the topography along the ocean floor
• differences in density of ocean water
• the rotation of Earth on its axis
• movement of the jet stream

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NGSS.MS-ESS2-6

What is most responsible for the presence of groundwater in an area?

• the movement of water from a confined aquifer into surface water
• the movement of surface water and precipitation through soil and rock
• the movement of water from streams and rivers to watersheds
• the movement of surface water through impermeable rock

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NGSS.MS-ESS3-1

Which is the most common contamination source for freshwater resources?

• runoff
• digging wells
• melting of glaciers
• lightning

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NGSS.MS-ESS3-4

A community decides to upgrade its water purification and management systems. What lasting impact could this have on available freshwater?

• It could cause a decrease in water demand.
• It could cause a decrease in the water levels.
• It could cause an increase in waterborne diseases.
• It could cause an increase in the freshwater supply.

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NGSS.MS-ESS2-4

Which storm most likely develops as air masses interact with the warm water in the northwest Pacific Ocean?

• typhoon
• tornado
• blizzard
• monsoon

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which is associated with an increase of chlorofluorocarbons in the environment?

• an increase in health risks associated with UV radiation
• an increase in levels of methane gas in the atmosphere
• an increase in ozone levels in the upper atmosphere
• an increase in acid precipitation

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NGSS.HS-ESS3-6

Which natural phenomenon occurs as a result of Earth rotating on its axis?

• movement of tectonic plates
• deep ocean currents
• seasonal changes
• day and night