Buffers Concept Check

Evaluate the riparian zone that is shown.

• Ideal riparian zone

• Damaged riparian zone

• Repairing the riparian zone

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

Evaluate the riparian zone pictured.

• Ideal riparian zone

• Damaged riparian zone

• Repairing the riparian zone

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-6

NGSS.HS-LS2-7

Which of the following are benefits of both forest buffers and wetlands? (Check all that apply.)

• Provides habitat

• Reduces sediment pollution caused by erosion

• Concentrates toxic pollutants

• Filters and cleans runoff

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following would most likely help the Cub Run Watershed?

• Adding forest buffers

• Adding impervious surfaces

• Removing rain gardens

• Removing retention ponds

Tags

NGSS.HS-ETS1-3

Which important role do trees play in the health of the bay?

• Create shade

• They are pretty

• Help stop erosion

• Provide lumber

Tags

NGSS.HS-LS2-6

NGSS.HS-LS2-7

Why are buffers important in biological systems? Check all that apply.

• Buffers are used in chemical reactions.

• Buffers resist changes in pH.

• Buffers help breakdown molecules.

• Buffers help to maintain homeostasis.

Tags

NGSS.HS-LS1-3

What is the primary function of a buffer solution in a chemical reaction?

• To speed up the reaction

• To maintain a constant pH

• To change the color of the solution

• To increase the temperature

Which of the following is a common buffer system in human blood?

• Carbonic acid-bicarbonate

• Hydrochloric acid

• Sulfuric acid

• Nitric acid

In a buffer solution, what happens when a small amount of acid is added?

• The pH increases significantly

• The pH decreases significantly

• The pH remains relatively stable

• The solution becomes neutral

Which of the following best describes a buffer's role in maintaining pH balance in biological systems?

• Buffers neutralize all acids and bases

• Buffers prevent any change in pH

• Buffers minimize changes in pH

• Buffers increase the pH of acidic solutions