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WorksheetsOCEAN CURRENTS
Total questions: 15
Worksheet time: 8mins
Deep Ocean currents are a result of
Global Wind Patterns
Earth's Rotation
differences in water density
All of the above
The Coriolis Effect is caused by
Earth rotating around the sun
Earth rotating on its axis (itself)
The tides
Gravity
Where is ocean water the densest?
The surface
The middle
The bottom
Lake Michigan
When surface currents meet continents they ___?
top moving
Are deflected (change paths)
Continue in the direction they were going
Why are surface currents at the surface of the ocean?
colder temperature
colder temperature & more salinity
warmer temperature & less salinity
less salinity
The movement of deep, cold, nutrient-filled water to the surface of the ocean is
Ocean Current
Upwelling
Deep Currents
Surface Currents
Two types of ocean currents are
local and global
sea and land
surface and deep
warm and cold
Currents that occur at or near the surface of the ocean are called
Deep Currents
Convection Currents
Surface Currents
Wave Currents
Surface currents are mainly caused by
The Coriolis Effect
Cold and Warm Water
Convection
Wind
Regular movements of water far below the ocean's surface are called
Warm Currents
Deep Currents
Shallow Currents
Surface Currents
What heats the Earth's oceans?
People
Boats
a heater
sun
Temperature and salinity differences in ocean water causes:
Mid-ocean ridges
Deep Currents
Surface Currents
High tide and low tide
What process brings the deep cold ocean currents up to the surface?
Conduction
Global Wind Patterns
Convection Currents
Temperature and salinity
What affects the density of water
salinity
temperature
seasons
Salinity and Temperature
Nutrients brought to the surface upwelling
pollute the ocean
make ocean water smell bad
provide the basis of many food chains
help regulate ocean temperatures
