Water Quality Vocab

If a body of water has high turbidity levels, what can most likely be concluded?

• It has a low pH

• It is unsafe to drink

• It is too hot to drink

• It contains lots of chemicals

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which will occur if humans continue to overload water systems with excess nutrients?

• chemosynthesis

• eutrophication

• nitrification

• photosynthesis

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which does an increase in eutrophication indicate to scientists studying a body of water?

• an increase in fertilizer runoff

• a decrease in pollutants from farm runoff

• an increase in the health of the body of water

• an increase in oxygen levels in the body of water

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which process would most likely increase the dissolved oxygen level in a freshwater lake?

• algal bloom

• lake turnover

• photosynthesis

• respiration

Tags

NGSS.MS-LS1-6

Which best describes the relationship between temperature and dissolved oxygen in a lake?

• As temperature increases, dissolved oxygen increases.

• As temperature increases, dissolved oxygen decreases.

• As temperature decreases, dissolved oxygen decreases.

• A change in temperature has no effect on dissolved oxygen.

Which would MOST LIKELY result in an unhealthy aquatic habitat?

• a decrease in turbidity

• a decrease in nitrates levels

• an increase in water temperature

• an increase in dissolved oxygen levels

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which best explains why a scientist would use nets to capture and count organisms in a river?

• to measure pH

• to measure turbidity

• to measure biodiversity

• to measure temperature

Tags

NGSS.MS-LS2-5

Which is the greatest impact of large quantities of sediment flowing into North Carolina’s rivers and streams?

• Sediment poisons fish.

• Sediment prevents light from reaching plants.

• Sediment interferes with the ability for fish to find mates.

• Sediment increases the depth of rivers and streams, reducing the amount of flowing water.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The measure of how clear or cloudy a substance is

• Salinity

• Bioindicator

• Turbidity

• Eutrophication

the measure of how acidic or basic a substance is

• dissolved oxygen

• salinity

• turbidity

• pH