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- 1. Multiple Choice
Where is ocean water the densest?
The surface
The middle
The bottom
Lake Michigan
- 2. Multiple Choice
Two types of ocean currents are
local and global
sea and land
surface water and deep water
warm and cold
- 3. Multiple Choice
Temperature and salinity are the two factors affecting which type of current?
Mid-ocean ridges
Deep Currents
Surface Currents
High tide and low tide
- 4. Multiple Choice
A horizontal movement of ocean water that is caused by wind.
Gulf Stream
Global Conveyor Belt
Surface Current
Gyre
- 5. Multiple ChoiceSurface currents are a result ofGlobal Wind PatternsEarth's RotationDensityAll of the above
- 6. Multiple ChoiceThe Coriolis Effect is caused byEarth rotating around the sunEarth rotating on its axisThe tidesGravity
- 7. Multiple ChoiceWhat happens to a current when it comes in contact with a continent or landmass?It continues over the continentIt stopsIt changes directionIt is absorbed by the land
- 8. Multiple Choice
Which of the following redirects ocean currents?
Coriolis Effect
Fish and Plankton
Minerals in the water
Solar energy
- 9. Multiple Choice
Salinity is
A type of plankton
The difference in temperature between surface and deep water
The amount of salt in sea water
A type of surface current
- 10. Multiple Choice
How many major ocean currents exist in the world?
15
20
40
10
- 11. Multiple Choice
Plankton are
a type of fish
any organisms that cannot swim against a current
any organism that is found at the base of the food chain
any microscopic organism
- 12. Multiple Choice
Despite their massive size, sunfish are classified as a type of plankton
True
False
- 13. Multiple Choice
The two main factors that influence surface currents
Wind and the shape of the continents
Wind and Sun
Sun and the shape of the continents
Temperature and Salinity
- 14. Multiple Choice
The Bay of Fundy in Nova Scotia is an example of
Tides
Gyres
Deep Water Currents
Thermohaline Circulation
- 15. Multiple Choice
What two factors influence tides?
Salinity and Moon
Sun and Moon
Moon and Wind
Sun and Wind
- 16. Multiple Choice
Deep water currents are a result of salinity and temperature. Water moves like a conveyor belt across the globe. This process is called...
Thermometer Currents
Deep water currents
Thermohaline Circulation
Salinity Currents
- 17. Multiple Choice
Thermohaline Circulation is driven by
Tides
Concentration gradients
Wind
The gravitational pull from the sun and the moon
- 18. Multiple Choice
What is a concentration gradient?
When molecules move from a high concentration (tightly packed) to a low concentration (spread out)
When molecules stay close together
A type of deep water current
A type of surface current
- 19. Multiple Choice
What does concentration mean?
The amount of something (molecules) in a particular location.
A type of orange juice
Salt
- 20. Multiple Choice
What does Thermo and Haline mean?
Thermo = temperature and Haline = salt
Thermo = warm and Haline = cold
Thermo = salt and Haline = temperature
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