Oceans Quiz

Which choice lists the world’s oceans in size order (smallest to largest)?

• Indian, Atlantic, Southern, Pacific, Arctic

• Arctic, Southern, Indian, Atlantic, Pacific

• Arctic, Atlantic, Southern, Indian, Pacific

Which elements (besides hydrogen and oxygen) are most abundant in the

oceans?

• sodium and chlorine

• magnesium and chlorine

• sodium and sulfur

Answer explanation

Sodium (Na) and Chlorine (Cl) make salt when they are bonded together.

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Surface ocean currents are driven mostly by __________.

• temperature differences

• hurricanes

• wind

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NGSS.MS-ESS2-6

Circulating air is deflected toward the right in the Northern Hemisphere and

toward the left in the Southern Hemisphere because of __________.

• the rotation of Earth

• strong deep ocean currents

• absorption of the Sun’s energy

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NGSS.MS-ESS2-6

Which describes the relationship between density and salinity?

• Salt water with high salinity is less dense.

• The salinity of ocean water does not impact density.

• Salt water with high salinity is more dense.

Which describes the relationship between density and temperature?

• Ocean water density is not impacted by temperature.

• Cooler ocean water is more dense.

• Warmer ocean water sinks to the ocean floor.

A classmate says, “If I lost my beachball in the middle of the Atlantic Ocean, it

would stay in the same spot forever.” Do you agree or disagree with this statement?

Use evidence to support your answer.

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NGSS.MS-ESS2-6

Warm water ​ (a)   and is ​ (b)   dense. Cool water ​ (c)   and is ​ (d)   dense. This is called ​ (e)   .

• rises
• less
• sinks
• more
• convection currents
• tides

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NGSS.MS-ESS2-6

___% of Earth is covered by oceans.

The Sun's energy (heat) first reaches Earth at the _________.

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NGSS.MS-ESS1-1

NGSS.MS-ESS2-6