artificial enrichment of a body of water by the addition of nutrients; can cause death of aquatic plants and animals

the number of grams of dissolved salt in one kilogram of seawater

a flat-topped seamount that used to be an island

area around large landmass where the sea is relatively shallow; geologically part of the continental crust

rising of deep water to the surface

an underwater volcano

flow of ocean water caused by changes in density

a relatively flat, featureless deep ocean floor

a steep-sided valley cut into the sea floor of the continental slope

How are most waves on the ocean’s surface generated?   

How does the density of ocean water compare to the density of freshwater?  

Upwellings are so important to sea life because they – 

The warmest water in the ocean is found at the –  

What basic motion does water follow during the passage of a wave?      

Tides are the periodic rise and fall of ocean water levels caused by ___________.       

__________ is a major mechanism of energy transfer in the oceans, atmosphere, and the Earth’s interior.      

Which type of seawater is the most dense?      

Large waves that occur due to a sudden displacement of the seafloor, an underwater landslide, or seismic activity are called –

Mark statements which correctly describe upwellings. Check all that apply.

Select all of the correct characteristics for Layer A.

Select all of the correct characteristics for Layer B.

Select all of the correct characteristics for Layer C.

Referencing the map below, which letters represent cold ocean currents?

A transition layer in which salinity rapidly increases with depth is called _______.

Water evaporating from the ocean causes salinity to ___________.

Heavy rain falls in the ocean and causes salinity to ___________.

A glacier melts in the ocean and causes salinity to ___________.

River water pours into an ocean and causes salinity to ___________.

Which process does NOT remove salt from ocean water?

The amount of dissolved salts in a fixed volume of seawater is referred to as _________.

Extremely flat, level regions which cover about half of the deep ocean basin floor are called _____________.

Trenches in the ocean floor occur at convergent plate boundaries, more specifically at___________.

Which ocean floor feature is a seamount?

In the diagram above, which letter represents a volcanic island?

What part of the continental margin is located at letter A?

What part of the continental margin is located at letter B?

What part of the continental margin is located at letter C?

Water movement parallel to shore is called _________.

Most of the ocean floor has been mapped using a type of remote sensing depicted below. What is this mapping technique called? 

Mark all statements that correctly describe the Chesapeake Bay.  Check all that apply.

An area in which a freshwater river empties into a body of saltwater is called a(n) –

The Chesapeake Bay is an important environmental resource for all of the reasons except  --  

Which of the following human activities has an effect on the water quality of the Chesapeake Bay?    

Which environmental concern is depicted below?