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Ocean Currents

Test Description: Ocean currents

Instructions: Answer all questions to get your test result.

1) Earth's rotation causes wind and water to curve. This is called the

AOcean Effect BEarth Effect CCoriolis Effect DHurricane Effect

2) Which direction do air currents and ocean currents flow in the Northern Hemisphere?

Acounter clockwise Bclockwise Cnorth to south Dsouth to north

3) The two types of ocean currents are

AThermo and haline Bland and sea Csurface and deep Dlocal and global

4) What factors affect the density of ocean water?

Apollution and pH Btemperature and turbidity Ctemperature and salinity Dsunlight and wind

5) How does solar energy heat the Earth

Aland and water absorb the energy Benergy transform into the auroras Cpolar ice caps reflect the energy Datmosphere reflects the energy back into space

6) What is the name of the surface current that brings warm air to moderate Great Britain's climate?

AGreat Britain Current BEnglish Current CCalifornia Current DGulf Stream

7) Which statement is true?

Acold salty water is more dense Bwarm fresh water is more dense Cwarm salty water is more dense Dcold fresh water is more dense

8) What factors affect surface currents the most?

Adensity and coriolis effect Bcoriolis effect and wind Ctemperature and salinity Ddensity and salinity

9) The ocean current that brings cold, nutrient rich water to the surface for plankton.

Agulf stream Bupwelling Cdownwelling Del nino

10) How do continents and land masses affect ocean currents.

Athey absorb them Bthey change their direction Cthey make then turn around Dthey do not affect ocean currents at all

*select an answer for all questions

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