Hydrosphere

Which factor most affects how water drains into local watersheds?

• evaporation

• precipitation

• differences in elevation

Tags

NGSS.MS-ESS2-4

Which would lead to the greatest reduction of dissolved oxygen in a lake?

• decreased number of fish in the lake

• increased number of fish in the lake

• increased nutrients and algal blooms

• decreased number of plants surrounding the lake

Tags

NGSS.MS-LS2-3

Which is an unlikely source of water for a river system?

• melting snow

• ocean water

• melting ice

Tags

NGSS.MS-ESS2-4

Which is an action people can take to protect the water supply?

• Turn off faucets while brushing teeth.

• Continue to run water while washing dishes.

• Pour cooking oil down kitchen drains after cooking.

• Water outside plants during the middle of the day.

Which is the most important reason why findings of water quality studies need to be communicated to policy makers?

• so laws can be enacted to protect the hydrosphere

• so policy makers will begin to conserve water personally

• so laws protecting the environment can have fewer penalties

Which is the most important reason for maintaining clean water?

• Energy cannot be generated without water.

• Organisms cannot live and grow without water.

• Goods cannot be transported easily without water.

• People cannot maintain proper hygiene without water.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Where does all water on earth eventually flow?

• oceans

• ponds

• rivers

Tags

NGSS.MS-ESS2-4

How are indicator species like a warning system for bodies of water?

• They indicate when food sources are declining.

• Their illness or death indicates pollution in an aquatic ecosystem.

• They indicate when predators are reducing the numbers of a species.

• Their illness or death indicates the body of water is becoming more populated.

Tags

NGSS.MS-LS2-4

Which is one way people can help prevent the pollution of lakes and rivers?

• by controlling soil erosion around lakes and rivers

• by clearing land around lakes and rivers to build homes

• by limiting the amount of fish caught in lakes and rivers

• by creating hiking and biking trails along lakes and rivers

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-LS2-2

NGSS.MS-LS2-3