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WorksheetsOceanography - Grade 8
Total questions: 15
Worksheet time: 8mins
Does the Gulf Stream change the climate?
Yes
No
Maybe
How does the Gulf Stream affect weather conditions along the eastern coast of the United States?
The Gulf Stream causes temperatures to decrease
The Gulf Stream causes temperatures to increase.
The Gulf Stream causes more overcast skies.
Ocean water contains stream-like movements of water called _____________ _____________.
ocean current
ocean temperature
surface currents
deep current
The density of ocean water is affected by temperature and ___________.
salinity
depth
volume
Does the moon have an affect on tides?
True
False
High tides and low tides each happen _____ times per day.
1
4
2
8
What type of tide happens when the moon is in the full moon phase?
spring tide
low tide
neap tide
high tide
What carries out most of Earth's photosynthesis?
currents
waves
phytoplankton
wind
How much of the Earth is covered in water?
10%
70%
90%
60%
Ocean currents are caused by-
underwater earthquakes
The sun and moon
Density differences
Boats
What part of the ocean floor would be the most difficult to explore due to pressure?
Trench
continental slope
abyssal plain
sea mount
What is not a type of ocean pollution?
oil spill
continental shelf
Trash dumping
Non-point source pollution
Salinity means
How many fish there are in the water
How much salt is in the water
As you go deeper in the ocean, the _______ decreases.
fish
salinity
temperature
water pressure
The main difference between ocean water and lake water is that ocean water contains
algee
oxygen
plants
salt
