NC

Which is the best description for the entire area of land whose water flows to the same place?

• delta

• meander

• flood plain

• watershed

Tags

NGSS.MS-ESS2-4

Where is water used for drinking most likely to come from?

• lakes and ponds

• rivers and streams

• oceans and estuaries

• reservoirs and aquifers

Tags

NGSS.MS-ESS3-1

Approximately what percent of the Earth is covered by water?

• 30%

• 50%

• 70%

• 90%

Tags

NGSS.MS-ESS2-4

Which characteristics must be true of an aquifer?

• The rock must be permeable and contain few pores.

• The rock must be permeable and contain many pores.

• The rock must be impermeable and contain few pores.

• The rock must be impermeable and contain many pores.

Tags

NGSS.MS-ESS3-1

Which is the primary source of freshwater in the hydrosphere?

• glaciers and ice caps

• groundwater

• oceans

• lakes

Tags

NGSS.MS-ESS2-4

Which is the source of most drinking water in North Carolina?

• lakes

• rivers

• springs

• aquifers

Which best explains how a watershed compares to a river basin?

• A watershed is a ridge of land separating bodies of water, and a river basin flows over the ground surface like runoff.

• A watershed is a river connecting to a larger river, and a river basin is a land area supplying water to the watershed.

• A watershed is a land area supplying water to small rivers, and a river basin is comprised of many interconnected watersheds and their tributaries.

• A watershed flows over the ground surface as runoff, and a river basin is a layer of permeable rock and soil in which water fills the cracks and pores.

Which best describes how the total amount of water present in the hydrosphere varies over time?

• The total amount of water in the hydrosphere decreases over time due to the process of evaporation.

• The total amount of water in the hydrosphere increases over time due to the process of precipitation.

• The total amount of water in the hydrosphere remains the same over time, but changes form due to the water cycle.

• The total amount of water in the hydrosphere both decreases and increases over time due to competing processes such as evaporation and precipitation.

The total amount of water in the hydrosphere both decreases and increases over time due to competing processes such as evaporation and precipitation.

• They would decrease because CO2would be absorbed into the ocean from the atmosphere.

• They would increase because CO2 would be released from the ocean into the atmosphere.

• They would decrease because CO2 would be released from the ocean to the atmosphere.

• They would increase because CO2 would be absorbed into the ocean from the atmosphere.

Tags

NGSS.MS-ESS2-4

Which process allows cold ocean water, rich in nutrients, to rise to the surface?

• photosynthesis

• desalination

• undertow

• upwelling