Where are the ocean plants?
Plant chlorophyll in the oceans

 
How do ocean currents affect the weather?
Oceans bring warm water to distant shores

 
Where does it rain most in the world?
A movie of rainfall throughout the year

 
How big are the longest ocean waves?
Waves the size of the ocean

 
How level is the sea surface?
Some parts of the ocean are higher than others

>    How does the sea surface change during the year?

 
Are all oceans the same temperature?
Ocean temperatures can change a great deal

 
How does water travel throughout the ecosystem?
A description of the hydrologic cycle

 
Where is the water underground?
Groundwater is stored in the water table