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- 1. Multiple Choice
______ cause surface currents.
The Coriolis Effect
gravity
density differences
Surface wind patterns
- 2. Multiple Choice
As plants and animals in the ocean die, the nutrients produced from their decay _____.
are recycled by the Global Conveyor Belt
sink to the bottom
are destroyed by sunlight
become coral reefs
- 3. Multiple Choice
Nutrients are brought to the surface for phytoplankton to use at _______.
gyres
eddies
upwellings
the equator
- 4. Multiple Choice
_______ causes the Coriolis Effect
Earth's rotation
gravity
wind
density
- 5. Multiple Choice
Gyres in the northers hemisphere are surface currents that turn _________ due to the Coriolis Effect.
clockwise
counterclockwise
toward the right
toward the bottom of the ocean
- 6. Multiple Choice
When looking at a satellite map of eddies, the cold-core eddies are more likely to have ________.
downwellings
upwellings
very few nutrients
very little dissolved oxygen
- 7. Multiple Choice
Two types of ocean currents are
local and global
sea and land
surface and deep
warm and cold
- 8. Multiple Choice
Temperature and salinity differences in ocean water cause:
Mid-ocean ridges
Deep Currents
Surface Currents
High tide and low tide
- 9. Multiple Choice
Warm ocean currents generally come from
The North Pole
The South Pole
The Equator
Both A and B
- 10. Multiple Choice
Movements of ocean water in a continuous flow are called?
ocean currents
global winds
air mass
front
- 11. Multiple ChoiceAs salinity increasesDensity increasesDensity decreases
- 12. Multiple ChoiceAs Density increasesTemperature decreasesTemperature increases
- 13. Multiple ChoiceThe warm, strong current off the coast of Florida is theGulf StreamCalifornia CurrentNorth Equatorial CurrentBrazil Current
- 14. Multiple ChoiceWhat is the process where cold, deep water rises to the surface with nutrients?UpwellingDownwellingSwellingTides
- 15. Multiple ChoiceUpwelling provides _________ for many sea organisms.WaterNutrientsAirHeat
- 16. Multiple ChoiceOcean currents bring warm water from the equator towards Earth'sSouthern HemisphereContinentsEquatorPoles
- 17. Multiple ChoiceCurrents release heat energy and this can affect an area'sOxygenClimateUpwellingSunlight
- 18. Multiple ChoiceWhat do ocean currents move around the world?GasesNutrientsHeat EnergyAll of these
- Answer choicesTagsAnswer choicesTags