Water Quality Indicators

Which of the following has a pH close to neutral

• Blood

• Baking Soda

• Bleach

• Lemon Juice

Tags

NGSS.MS-PS1-2

The majority of aquatic creatures prefer a pH range of 6.5-9.0. If it is too low or high they will die

• True

• False

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Turbidity measures the clarity of water

• True

• False

Which glass is more turbid?

• The water in the glass on the right is more turbid

• The water in the glass on the left is more turbid

Tags

NGSS.MS-PS1-2

This is essential for the survival of fish and other aquatic organisms

• Dissolved oxygen

• Dissolved nitrogen

• Suspended algae

• Nitrates

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

This bacteria when found in water is a strong indicator of contamination

• Fecal coliform

• Non pathogenic bacteria

• Phytoplanktons

• Micro Planktons

Tags

NGSS.MS-LS2-4

Alkalinity is important for fish and aquatic life because it protects or buffers against rapid pH changes.

• True

• False

Measuring the salinity of water is important for assessing density of water bodies

• True

• False

Which is a true statement of the diagram above?

• As temperature increases dissolved oxygen increases

• As temperature decreases dissolved oxygen decreases

• As temperature increases dissolved oxygen decreases

• Noe of the above

Water-quality monitoring using indicators cannot alert us to current, ongoing, and emerging problems

• True

• False

Tags

NGSS.MS-ESS3-3