Oceans - Seawater, Motion, Zones, Productivity

Which of the following are the major mineral components of seawater?

• sodium and chlorine

• nitrogen and oxygen

• granite and limestone

• water and carbon dioxide

Which of the following depicts the most abundant source of sea salts?

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Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS3-1

Which of the following situations would decrease the salinity in a given region of the ocean? CHOOSE ALL THAT APPLY!

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Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Which of the following does the chart show to be true?

• Oceans have higher temperature values along the Equator than anywhere else.

• Oceans have higher salinity values along the Equator than anywhere else.

• The highest ocean salinity values are found at high latitudes.

• The oceans of the Northern Hemisphere are much saltier than those of the Southern Hemisphere.

Tags

NGSS.MS-ESS2-6

As seawater temperature decreases, its density:

• increases.

• decreases.

• remains the same.

• rises.

As increasing levels of atmospheric carbon dioxide infiltrate the oceans, the seawater is becoming:

• more acidic.

• more alkaline.

• more dense.

• colder.

Tags

NGSS.MS-PS1-2

What are the two factors that influence the temperature of seawater?

• latitude and depth

• salinity and density

• precipitation and river runoff

• currents and tides

Which of the following most accurately describes what is illustrated in this diagram?

• the oceanic conveyor belt

• the ocean's gyres

• the ocean's major currents

• atmospheric prevailing winds

Tags

NGSS.MS-ESS2-6

Which of the following are major benefits of ocean currents to life on Earth?

• climate moderation and aquatic food web stability

• reduction of frequency of earthquakes and shield from solar winds

• ozone layer sustainability and controller of river flow

• reduction of severity of acid rain and regulation of tides

Tags

NGSS.MS-ESS2-6

Which of the following processes bring greater concentrations of dissolved nutrients up to the ocean surface?

• upwelling

• lithification

• erosion

• tectonics

Tags

NGSS.MS-ESS2-6