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Ocean Currents quiz

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.

the amount of salt found in water is

a)

temperature

b)

salinity

c)

solubility

d)

density

2.

Earth's _______ causes ocean currents in the Northern Hemisphere to curve clockwise

a)

location in the galaxy

b)

spinning on its axis

c)

magnetic field

d)

gravity

3.

When a current comes into contact with a continent or landmass it ...

a)

continues over the continent

b)

stops

c)

changes direction

d)

is absorbed by land

4.

Ocean currents have an effect on

a)

climate and weather

b)

temperature and weather

c)

weather and density

d)

salinity and climate

5.

what process brings the deem cold ocean currents up to the surface?

a)

density

b)

wind patterns

c)

temperature

d)

convection currents

6.

The Coriolis Effect is caused by

a)

Earth rotating around the sun

b)

Earth rotating on its axis

c)

the tides

d)

gravity

7.

Warm ocean currents generally come from the area of the

a)

north pole

b)

south pole

c)

equator

d)

all of these

8.

The horizontal movement of ocean water that is caused by wind and the Coriolis Effect

a)

surface currents

b)

deep ocean currents

c)

global conveyor belt

d)

convection currents

9.

The ________ is a system of constantly moving ocean circulation driven by temperature and salinity. It circumnavigates the globe.

a)

California Current

b)

Global Conveyor Belt

c)

surface currents

d)

Gulf Stream

10.

The two types of ocean currents are __________ and _____________.

(a)  

11.

Which of the following is caused by differences in ocean water density?

a)

surface currents

b)

deep currents

c)

waves

d)

coriolis effect

12.

When a vast sheet of warm water moves east toward the coast of South America, which of the following occurs?

a)

la Nina

b)

El Nino

c)

climate change

d)

seasons change

13.

What is the Gulf Stream?

a)

a surface current

b)

a deep current

c)

a river

d)

a climate event

14.

In the Northern Hemisphere, the Coriolis effect causes currents to do which of the following?

a)

curve counterclockwise

b)

curve clockwise

c)

reverse direction

d)

sink

15.

True or False:

Unlike waves, currents do move water from one place to another.

a)

true

b)

false

16.

Earth's rotation does not cause the Coriolis effect.

a)

true

b)

false

17.

The Gulf stream warms nearby land areas.

a)

true

b)

false

18.

Thermohaline circulation is a pattern of ocean currents driven by density differences

a)

true

b)

false

19.

A surface current effects the climate of nearby land.

a)

true

b)

false

20.

Deep currents affect water down to a depth of several meters.

a)

true

b)

false