Groundwater Pollution

The water under the ground is known as

• groundwater

• aquifer

• water table

• water

Pollutants enter groundwater and spread as a plume.

• true

• false

About 25% of groundwater supplies and 45% of municipal groundwater supplies in the United States are polluted.

• true

• false

Tags

NGSS.MS-ESS3-1

NGSS.MS-ESS3-4

About 25% of groundwater in the United States is polluted.

• true

• false

Tags

NGSS.MS-ESS3-1

The graph above shows the chemicals and/or pollutants that are polluting our groundwater. Use this graph above to answer the following question. As the United States' population continues to grow, what is likely to be the greatest threat to our groundwater?

• Fertilizer (nitrates)

• Sewage

• Chemical spills from petroleum

• Salinity (salt)

Tags

NGSS.MS-ESS3-4

Synthetic fertilizers and pesticides used in agricultural industries seep into the ground and contaminate groundwater

• Agree

• Desagree

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-PS1-3

Some sources of pollution that can contaminate groundwater are (a)   .

• sewage discharge, oil spills, radio

• industrial waste, agricultural runo

Tags

NGSS.MS-ESS3-4

Where is the groundwater being polluted?

More than one answer.

Tags

NGSS.MS-ESS3-4

What is a pollutant plume in an aquifer?

• Contamination that travels from the pollutant source in the direction of flow

• Contamination that travels through an aquifer at a higher speed than the water flows

• Water that travels down the flow gradient through a polluted region

• None of these

Pollutants in an aquifer may

• All of these

• Be filtered out by the rock or soil

• Remain in the aquifer

• Travel very slowly through the rock