Oceans Review

The image shows an aquatic food chain. Which organism(s) will be unaffected if the krill are removed from the aquatic food web?

• A. fish

• B. penguin

• C. phytoplankton

• D. squid

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

How does the Sun’s energy heat oceans and landmasses?

• Convection

• Radiation

• Conduction

• Conductivity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to air once it becomes heated by landmasses or oceans?

• The air is not affected

• The warmed air rises moving by conduction

• The warmed air rises moving by convection

• The warmed air rises moving by radiation

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

How is the rise in global temperature affecting coral reefs?

• Increase in coral reefs

• Leads to the death of coral reefs

• Greater variety of coral reefs

• Improvement in breeding grounds for fish

Tags

NGSS.MS-ESS3-5

Where is the Challenger Deep, the deepest portion of the Earth's ocean, located?

• Atlantic Ocean

• Pacific Ocean

• Arctic Ocean

• Indian Ocean

Answer explanation

The Challenger Deep is part of a submarine trench called the "Marianas Trench"

What percentage of the Earth's surface is covered by oceans?

• A) 50%

• B) 60%

• C) 70%

• D) 80%

Which ocean is the largest by surface area?

• A) Atlantic Ocean

• B) Indian Ocean

• C) Arctic Ocean

• D) Pacific Ocean

What is the primary cause of ocean currents?

• A) Wind

• B) Earth's rotation

• C) Salinity differences

• D) Temperature differences

Tags

NGSS.MS-ESS2-6

Which process is responsible for the movement of water from the ocean to the atmosphere?

• A) Precipitation

• B) Evaporation

• C) Condensation

• D) Sublimation

Tags

NGSS.MS-ESS2-4

What is the average salinity of ocean water?

• A) 1%

• B) 2%

• C) 3.5%

• D) 5%