The density of ocean water is greater than the density of lake water...
The ____________ Ocean is the largest of the five major oceans.
Sharks and rays have skeletons made of _____________.
The ocean covers about 52% of the earth's surface.
The five major oceans are the Arctic, Atlantic, Indian, Pacific and...
The deepest part of the ocean, the Marianas Trench, is located in the...
The upward force produced by water is called ___________.
Dolphins and whales use _____________ to locate prey and "see" their...
A body of salt water not as large as an ocean but with an outlet to...
The Arctic and Southern Oceans are also known as the ____________...
The earth's tallest mountains are in the ocean.
The warmest ocean is the...
The Arctic Ocean, the smallest of the five oceans, encompasses 5.4...
Which of the following name three of the five layers, or zones, of the...
Which ocean has the highest average salinity?
The majority of marine life lives in the Mesopelagic Zone.
The shape, height, and depth of a place is called its geography.
The average depth of the ocean is ________________.
Which marine mammal has the most dense fur of any other mammal?
Which of the following marine creatures can regrow an arm or tentacle...
Is the water of the Pacific Ocean more or less salty near the equator?
Which of the following are not marine invertebrates?
The surface temperature of the Arctic Ocean is about
The organization that determines the ocean boundaries and sets their...