The largest ocean is the:

The smallest ocean is the

The earth's surface has remained basically the same over time.

The most abundant dissolved solid in the ocean is:

Salinity: a measure of the amount of ______ in a given amount of liquid.

Coastal waters in COOLER, MORE HUMID places have ______ salinity.

As the ocean's DEPTH increases, its temperate ____.

Water into the ocean can be divided into ___ layers based on temperature.  Temperature at the surface is much ____ than the average water  temperature.

Water temperatures in the ocean's surface zone vary depending on ___ and the time of year.

Water cycle is the continuous movement of water from the ocean to the ___ to the land and back again.

Change from vapor/gas to liquid

Change from liquid to gas

Solid or liquide water that falls to earth

The ocean absorbs and releases ______ much more ____ than dry land does.

Ocean waters near the EQUATOR are ____ than water near the POLES.

Scientists use _____ & satellites to study the ocean floor.

________ is the gently sloped section located between the shoreline and the continental slope.

_____ is the steeply sloped section between the ocean floor and the continental shelf.

The base of the ocean floor is the:

The ______ is the large, flat, almost level area of the deep ocean basin.

The ocean floor contains the world's largest:

A ____ is a steep, long depression in the deep-sea floor that runs parallel to a chain of volcanic islands OR a continental margin.  

______ are individual mountains of volcanic material.  If a ___ rises above sea level, it becomes a volcano.

Scientists classify marine organisms into __ categories.

The three types of marine organisms are plankton, _________, and benthos.

_______ float or draftily freely near the ocean's surface.

___ swim actively in the open ocean.

___ live on or in the ocean floor.

Crabs, starfish, worms, coral, songs, seaweed, clams, and oysters are:

The ____ environment is the bottom environment near the ocean floor and all the organisms that live there.

The benthic environment is divided into ___ zones.

The ____ of the benthic environment is between low- & high-tide limits.

Oysters, clams, barnacles, and crabs are organisms in the ____ that have fought shelves to protect them against strong waves & harsh sunlight.

Scientists know little about the ____ zone because it is so deep and dark.

The _____ environment is the zone near the surface or at middle depths.  

The two major zones of the pelagic environment are the:

The neretic zone covers the entire _____, except for the _____.

_____ and some whale species live in the _____ zone of the pelagic environment.  

People have been harvesting plants & animals from the ocean for thousands of years by ______ & _______.

A nonrenewable resource is a resource that can be replenished.  

Examples of nonrenewable ocean resources are:

Desalination is the process of removing ____ from ocean water.

A renewable resource is a resource that is used up faster than it can be replenished.

Two renewable ocean resources are:

Wave energy in the_____ is strong enough to produce power for parts of ____ & _____.

Nonpoint-source pollution comes from a single sou

Oil & gasoline leaks from cars washing into waterways, warcraft leaking gas & oil into water bodies, & pesticides, herbicides, and fertilizers washing into waterways are examples of:

Point-source solution comes from:

Trash dumping, sludge dumping, and oil spills are examples of:

Marine animals can mistake plastic materials for ___ and choke or become ____.

The United States spends more than ____ million each to protect oceans & beaches.

The U.S. Marine Protection, Research, & Sanctuaries Act prohibits: 

Two major regions of the ocean floor