Cambridge Marine Science

Which is a factor that drives oceans currents? 

• Tidal motion

• Wind

• Thermohaline circulation

• All of the above

Tags

NGSS.MS-ESS2-6

El Niño ___________________ the trade winds causing the warm pool to move ___________.

• weakens or reverses; west

• intensifies; east

• weakens or reverses; east

• intensifies; east

Tags

NGSS.MS-ESS2-6

Why do the fisherman of Peru and South America not welcome a strong El Nino?

• El Nino poisons the fish

• El Nino causes strong winds and currents which move fish westward

• El Nino bring cold water to the surface which kills the base of the food chain

• El Nino shuts off upwelling and nutrients needed for the marine food chain do not rise to the surface

Tags

NGSS.MS-ESS2-6

NGSS.MS-LS2-1

When La Nina and hurricanes pull cold water to the surface and bring nutrient rich sediments from the seafloor, this is called ___________________.

• upwelling

• downwelling

• El zapato

• La Gloria

Tags

NGSS.MS-ESS2-6

What do we call the small tides that happen when the sun and moon are at right angles to each other?

• Neap Tide

• Spring Tide

• Larger Change

• Smaller Change

Tags

NGSS.MS-ESS1-1

What type of tides would this arrangement of earth-moon-sun create?

• neap tide

• spring tide

• new moon tide

• full moon tide

Tags

NGSS.MS-ESS1-1

Wha type of tide would this arrangement of earth-moon-sun create?

• full moon tide

• new moon tide

• neap tide

• spring tide

Tags

NGSS.MS-ESS1-1

______ causes deep ocean currents

• The Coriolis Effect

• gravity

• wind

• density differences

Tags

NGSS.MS-ESS2-6

______ causes surface currents.

• The Coriolis Effect

• gravity

• density differences

• wind

Tags

NGSS.MS-ESS2-6

Decreasing ocean temperature causes the density of the water to ______.

• decrease

• increase

• stay the same

• fluctuate

Tags

NGSS.MS-ESS2-6