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Surface Currents

Deep Currents

Currents and Climate

Vocabulary 1

Vocabulary 2

2

Horizontal movement of ocean water that is caused by wind and that occurs at or near the ocean’s

surface

3

What are surface currents?

4

Global winds, coriolois effect, and continental deflections.

5

What causes surface currents?

6

When surface currents meet the continents they change direction.

7

What is continental deflections?

8

Are surface currents generally warm or cold currents?

9

Warm

10

Near the equator winds blow this direction.

11

What is East to West?

12

Do winds directly control deep currents yes or no?

13

No

14

A streamlike movement of ocean water far below the surface.

15

What are deep currents?

16

The density of ocean water is affected by these two things.

17

Water are temperature and salinity?

18

As temperature increases this happens to the density.

19

What is density decreases?

20

Are deep currents generally warm or cold?

21

Cold

22

The Gulf Stream carries this type of current from the Tropics to the North

Atlantic Ocean.

23

What are warm currents?

24

The California Current carries this type of current from the North

Pacific Ocean southward towards Mexico.

25

What is cold current?

26

These are three disasters caused by El Nino.

27

What are flash floods, mudslides, and droughts?

28

This is how often The El Nino occurs.

29

What is every 2 to 12 years?

30

This is the name of the administration that operates buoys

that record ocean temperatures.

31

What is NOAA or National Oceanic and Atmospheric Administration?

32

A movement of ocean water that follows a regular pattern.

33

What are ocean currents?

34

A streamlike movement of ocean water far below the surface.

35

What are deep currents?

36

A change in the water temperature in the Pacific Ocean that produces a

warm current.

37

What is El Nino?

38

The transfer of thermal energy by the circulation or movement of a liquid

or a gas.

39

What is convection?

40

The wind blows off the land toward the water. When the

temperature over the water is greater than the temperature over

the land.

41

What is land breeze?

42

Horizontal movement of ocean water that is caused by wind and that

occurs at or near the ocean’s surface

43

What are surface currents

44

The apparent curving of the path of a moving object from an otherwise straight path due to the Earth’s

rotation.

45

What is the coriolis effect?

46

A change in the eastern Pacific Ocean in which the surface water

temperature becomes unusually cool.

47

What is La Nina?

48

A measure of the amount of dissolved salts or solids in a liquid.

49

What is salinity?

50

The wind blows off the water toward the land. When the

temperature over land is greater than the temperature over water. 

51

What is Sea Breeze?