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WorksheetsOceanography Review
Total questions: 22
Worksheet time: 13mins
What is the floor of the continental shelf
Sharks!
Jagged rocks
Sand, mud, rock and THICK sediment
All of the above
What percent of the ocean covers the Earth?
80
50
20
70
What is the main contributor to the formation of waves?
Earthquakes
Wind
Warm water
Salinity
What produces most of the world's oxygen?
The Coral Reef
Plants
Phytoplankton
Fish
90% of marine life lives here...
Seamonts
The ocean
Trenches
Continental shelf
A positive influence on the environment include the following. Check all that apply
Improve and monitor marine populations
Ban hunting or harming certain marine populations
Programs to prevent pollution in our ocean
Limit catches of stressed populations
Phytoplankton contributes to which of the following. Check all that apply.
live primarily on the oceans bottom
are a base of the ocean's ecosystem
do not flourish in nutrient rich water
are eaten by many different types of organisms
produce much of the Earth's oxygen
How is the salinity of water determined?
Lakes, stream, and estuaries
Evaporation, runoff, and wind
The depth of the water
Pollution, salt. and animal waste
Pressure increase as...
Depth increases
Depth decreases
Waves fall to shore
The test gets closer!
Abudant life teems on the...
Abyssal plain
Trenches
Seamounts
Continental shelf
Tides depend on the gravitational pull of...
The Earth
Mars
The Moon
NASA
As ocean depth decreases what increases?
Water temperature
Water pressure
Salinity
Animal life
What affects the salinity in the ocean? Check all that apply.
The fish living there
Run off from the land
Evaporation
Precipitation
If you lived in Canada, the Gulf Stream in Europe is...
A freezing temperature as Canada at the same latitude
A higher temperature as Canada at the same latitude
A different temperature as Canada at the same latitude
The same temperature as Canada at the same latitude
What does all ocean life depend on
Zooplankton
Phytoplankton
Fish
A stable ecosystem
If you were able to take a specialized water craft into a trench, the pressure down there would be...
Higher
Lower
The same
Impossible to measure
What would be considered variables in an experiment to make an egg float?
The size of the egg, its weight, and the color
The amount of water, the amount of salt, and height of the egg in water
The container, the color of the water and the salinity
The person conducting the experiment, the color pen, and enthusiasm for the experiment
How would you describe currents?
They flow through the trench and disrupt the surface.
They flow the same all over the Earth.
They flow in undetermined patterns.
They flow like rivers and are will defined circular patterns.
How does salinity affect ocean currents?
It does not affect them at all.
It creates a warmer environment.
It affects density and and causes convection.
It makes them stronger.
Marine organisms depend on what for survival?
Dissolved gases
Dissolved marine animal remains
Zooplankton
Sharks
What should we avoid to prevent affecting life in the ocean?
Check all that apply
Insecticides
Herbicides
Oil spills
Dumping in the ocean
Review: The primary function of a leaf on a plan it what?
To look pretty!
To hold the roots in place
To use the sunlight for energy in food production
To add support for the plant to grow
