Freshwater and Water Pollution

What percentage of the Earth's surface is covered by water?

• 71%

• 50%

• 30%

• 90%

Tags

NGSS.MS-ESS2-4

How long can a person survive without water?

• Several weeks

• Several days

• Several months

• Several years

What is the water cycle?

• The movement of water on, in, and above the Earth

• The process of purifying water

• The process of converting saltwater to freshwater

• The process of extracting water from underground

Tags

NGSS.MS-ESS2-4

What percentage of the Earth's water is freshwater?

• 97%

• 3%

• 50%

• 10%

Tags

NGSS.MS-ESS2-4

What is a watershed?

• An area of land where all the water goes into the same place

• A type of water pollution

• A process of water purification

• A measurement of water scarcity

Tags

NGSS.MS-ESS2-4

What is groundwater?

• Water found in rivers and lakes

• Water stored in ice caps and glaciers

• Water that infiltrates the subsurface soil and rock

• Water vapor in the atmosphere

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

What is water pollution?

• The contamination of water bodies by human activities

• The natural process of water purification

• The conversion of saltwater to freshwater

• The extraction of water from underground

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What are the two chief sources of water pollution?

• Point source and Non-point source

• Surface water and Groundwater

• Nutrients pollution and Oxygen depletion

• Chemical water pollution and Oil spillage

What is eutrophication?

• The enrichment of water with nutrients that triggers the growth of green algae

• The process of water purification

• The accumulation of toxic pollutants in the body of top consumers

• The depletion of oxygen in water bodies

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is biomagnification?

• The process of water pollution caused by toxic pollutants

• The accumulation of nutrients in water bodies

• The accumulation of toxic pollutants in the body of top consumers

• The process of water purification