Water Quality Review

What is dissolved oxygen?

• oxygen gas dissolved in water

• a primary plant nuttient

• a measure of how acidic or basic a substance is

Tags

NGSS.MS-LS2-4

What is pH?

• a primary plant notrient

• oxygen gas dissolved in water

• a measure of how acidic or basic a substance is

The higher the temperature, the more dissolved oxygen in water.

• True

• False

How do bacteria affect Dissolved Oxygen (DO) in water bodies?

• increase DO through decomposition

• decrease DO through decomposition

• DO stays the same

• bacteria multiply DO by 8

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What does ppm stand for?

• particles potential measurement
• post traumatic per million
• parts per million
• parts per mile

Desired pH level is

• 1-4

• 4-5

• 6-9

• 9-14

Desired level is 0, reaching .03 is harmful

• Ammonia

• Nitrites

• pH

• Chlorine

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Gill/skin irritation, Hard time getting oxygen from water are signs of incorrect values of.......

• pH

• Chlorine

• Ammonia

• Nitrite

Tags

NGSS.MS-LS1-5

Gill irritation, destroyed mucus layer, low fish immunity are results of incorrect values of......

• Chlorine

• Dissolved Oxygen

• Ammonia

• pH

Tags

NGSS.MS-LS1-5

Tan or brown gills, Brown Blood disease are signs of incorrect values of

• Chlorine

• Nitrite

• Dissolved Oxygen

• Temperature

Tags

NGSS.MS-LS1-5