Porosity and Permeability

What percentage of the US freshwater supply is represented by groundwater?

• About 10%

• About 75%

• About 50%

• About 25%

Tags

NGSS.MS-ESS3-1

What is the estimated porosity of the sand used in the experiment?

• About 40%

• About 50%

• About 33%

• About 25%

What is the role of permeability in groundwater extraction?

• Determines the water flow into wells

• Increases the water quality

• Has no effect on extraction

• Decreases the water quantity

Which material demonstrated the highest permeability in the experiments?

• Gravel

• Sand

• Clay

• Granite

Which type of rock may act as a barrier to groundwater flow due to low permeability?

• Limestone

• Gravel

• Granite

• Sandstone