8.E.1.1-8.E.1.4 IA Review

Earth is made up of ____% salt water and ____% fresh water.

• 75%, 25%

• 25%, 75%

• 97%, 3%

Tags

NGSS.MS-ESS2-4

An estuary is best defined as a place where--

• fresh and salt water meet

• a river meets the Chesapeake Bay

• a group of animals are gathered

• the water from the land flows into a river

Tags

NGSS.MS-ESS2-4

What would most likely increase the amount of nutrients available in the surface waters?

• heavy rains

• high tide

• upwelling

• pollution

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-6

Which of the following is true of upwelling?

• It pushes hot water to the ocean floor and winds drag nutrients out to sea.

• The tide goes out to sea leaving tide pools with many animals that eaten by birds.

• Warm surface waters are blown off shore and cold deep water brings nutrients to the surface.

• Gases become dissolved into the ocean by wave action.

Tags

NGSS.MS-ESS2-6

Which best explains why estuaries are an important habitat for many marine organisms in comparison to the open ocean?

• Estuaries have limited food.

• Estuaries contain more salt.

• Estuaries have more predators.

• Estuaries are rich in nutrients.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

the amount of salt dissolved in water is

• pH

• salinity

• solution

• miscibility

If the salinity increased in an estuary ecosystem, what would happen to the living organisms that live there?

• Nothing

• They would all die.

• Those adapted to saltwater would survive while those adapted to freshwater would die out.

• Those adapted to saltwater would die out while those adapted to freshwater would survive.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS1-5

Bacteria in water removes excess nitrates from fertilizers. Too much nitrate causes blooms of algae. Blooms of algae ______ oxygen levels.

• increase

• decrease

• evens out

• doesn't care about

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

An Aquifers best source of information about the quality of water comes from a...

• Frozen Ice Cap

• River

• Watershed

• Well

Scientists have found strange new life-forms called “tubeworms” on the deep ocean bottom. Which most likely provides energy for the tubeworms?

• algae
• small fish
• photosynthesis
• hydrothermal vents

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1