Porosity and Permeability

Which of the following statements is the definition of porosity?

• the amount of air space between sediments

• the ability of water to flow through sediments

• the density of sediments

• the rate of infiltration

Which sample has the GREATEST porosity?

• sorted

• unsorted

Which sample has the LEAST porosity?

• tight pack

• loose pack

Soil with the greatest porosity has particles that are

• poorly sorted and tightly packed

• poorly sorted and loosely packed

• well sorted and tightly packed

• well sorted and loosely packed

Which of the following statements is the definition of permeability?

• the amount of air space between sediments

• the ability of water to flow through sediments

• the density of sediments

• the infiltration rate

Which sample is MOST permeable?

• round

• flat

• oval

Which sample is LEAST permeable?

• round

• oval

• flat

Water moves very slowly through clay. Which statement about clay must be true?

• clay has large pore spaces

• clay has round particles

• clay is impermeable

If water can easily flow between the cracks in a rock, we can say that

• water is permeable

• rock is impermeable

• rock is permeable

• water is impermeable

Tags

NGSS.MS-ESS2-4

Select the graph that shows the relationship between porosity and permeability.

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Tags

NGSS.MS-ESS3-1