2016 NC EEn science released exam

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

• A It reduces the rates of soil formation.

• B It changes the chemical composition of the rocks.

• C It exposes rocks to increased rates of erosion and weathering.

• D It limits the exposure of rocks to acid precipitation.

Tags

NGSS.MS-ESS2-2

How can urbanization affect a local area?

• A It can increase the number of invasive species in an area.

• B It can decrease the risk of water pollution in an area.

• C It can increase the risk of flooding in an area.

• D It can decrease the need for natural resources in an area.

Tags

NGSS.HS-LS2-6

NGSS.HS-LS2-7

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

• A using fueled machines that will turn the soil continuously

• B creating undisturbed layers of mulch in the soil

• C placing inorganic chemical fertilizers in the soil

• D irrigating the soil with salty water

Tags

NGSS.MS-LS2-5

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?

• A differences in the topography along the ocean floor

• B differences in density of ocean water

• C the rotation of Earth on its axis

• D movement of the jet stream

Tags

NGSS.MS-ESS2-6

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

• A the movement of water from a confined aquifer into surface water

• B the movement of surface water and precipitation through soil and rock

• C the movement of water from streams and rivers to watersheds

• D the movement of surface water through impermeable rock

Tags

NGSS.MS-ESS3-1

Which is the most common contamination source for freshwater resources?

• A runoff

• B digging wells

• C melting of glaciers

• D lightning

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

• A It could cause a decrease in water demand.

• B It could cause a decrease in the water levels.

• C It could cause an increase in waterborne diseases.

• D It could cause an increase in the freshwater supply.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

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

• A typhoon

• B tornado

• C blizzard

• D monsoon

Tags

NGSS.MS-ESS2-5

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

• A an increase in health risks associated with UV radiation

• B an increase in levels of methane gas in the atmosphere

• C an increase in ozone levels in the upper atmosphere

• D an increase in acid precipitation

Tags

NGSS.HS-PS4-4

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

• A movement of tectonic plates

• B deep ocean currents

• C seasonal changes

• D day and night