Hydrosphere Unit Test

Which ocean water temperature change is most dangerous for aquatic wildlife?

• 5 degree C to 10 C

• 15 degrees C to 20 C

• 25 degrees C to 30 C

• 35 degrees C or higher

Tags

NGSS.MS-LS2-1

A recreational lake experiences eutrophication because of excess nutrients. Based on this information, how would the recreational lake most likely appear?

• clear and blue

• oily and greasy

• murky and full of algae

• orange and rust-colored

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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

• An increase in temperature causes an increase in the dissolved oxygen level

• An increase in temperature causes a decrease in dissolved oxygen.

Which is the greatest impact of large quantities of sediment flowing into NC rivers and streams?

• sediment poisons fish

• sediment increases the temperature of rivers and streams

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If a pond is located in an area with significant amounts of air pollution, which health measure would be most directly affected?

• ph

• dissolved oxygen

Tags

NGSS.MS-LS2-4

Why does a cloudy river produce less plant life than a clear river?

• A cloudy river has few dissolved nutrients, while a clear river has many.

• A cloudy river prevents photosynthesis from occurring, while a clear river allows photosynthesis to occur in plants.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-4

Ammonia is basic chemical found in animal wastes. Which of the following could be the ph of a river near a farm after a rainstorm?

• 9

• 2

Tags

NGSS.MS-PS1-2

Which aspect of water quality is most affected by changes in temperature?

• nitrates

• dissolved oxygen

Which factors can have the greatest effect on the health of a river system?

• nitrate levels and turbidity

• human consumption and ph

Tags

NGSS.MS-ESS3-4

Rainbow trout are found in mountain streams and are sensitive to changes in their habitat. Which would be the best description for the use of rainbow trout in water quality testing?

• bioindicator

• nitrates