Focus On Earth Science: California Grade 6

Lesson 2: Ocean Currents

Standards Check

1.
The formation of ocean currents is due mainly to the effects of _______. 4.d
A)winds
B)the Sun heating the surface water
C)mid-ocean ridges
D)beaches
2.
_______ causes ocean currents to be deflected to the right in the northern hemisphere. 4.d
A)Wind
B)Solar radiation
C)The Coriolis effect
D)Heat transfer
3.
What causes the density of ocean water to increase? 4.d
A)an increase in wind speed
B)a decrease in salinity
C)an increase in temperature
D)an increase in salinity
4.
In general, ocean currents carry heat from _______. 4.d
A)the northern hemisphere to the southern hemisphere
B)the tropics to the poles
C)the southern hemisphere to the northern hemisphere
D)the poles to the tropics
Grade 6
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