Water Quality Quiz 1

What does Dissolved Oxygen mean?

• How much acid is in the water

• How cold the water is

• DO

• How much oxygen is in the water

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

pH is the measurement of

• how acidic or basic a solution is.

• just the acidity of a solution.

• how acidic or basic the atmosphere is.

• Non of the above.

pH value of less than 7 is considered to be

• polluted.

• basic.

• like drain cleaner.

• acidic.

pH greater than 7 is considered to be

• neutral.

• basic.

• acidic.

• polluted.

Temperature of the water impacts

• what kind of organisms can live in rivers, creeks and lakes.

• the amount of dissolved oxygen.

• the amount of minerals dissolved in the water.

• all of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the healthiest combination listed?

• low pH, high nitrates, neutral temperature
• low temperature, neutral pH and low nitrates
• as many nitrates as possible, low temp and low pH
• high temp, high nitrates and high pH

Tags

NGSS.MS-LS1-5

High turbidity means.....

• very clear water
• neutral pH
• very murky or cloudy water
• high nitrates

What is the end result of eutrophication?

• More algae
• decreased oxygen and fish kills
• less turbidity
• a new pond

Tags

NGSS.MS-LS2-4

If water temperature goes UP, what happens to the level of Dissolved oxygen?

• It goes up
• It goes down

Tags

NGSS.MS-PS3-4

What is water quality?

• It describes the condition of the water

• It is the continuous movement of water on, above, and below the surface of the Earth

• It is the property of containing salt

• It is the total amount of suspended solids.