Ocean Floor
The part of the continent that is under ocean water. It begins at the shoreline and gently slopes underwater to an average depth of about 200 meters.
What is the continental shelf?
The ocean floor has mountains, plains, and ridges, just like _________________.
What are land surfaces?
The highest tides that occur at the new or full moon are called __________ .
What are spring tides?
The zone of the ocean where you can find all plants and most marine life.
What is the sunlight zone?
Approximately how much of the Earth's surface is covered by oceans.
What is 70%?
The deepest part of the ocean floor. They are similar to canyons on land.
What is a trench?
The name of the deepest trench on earth, which is about 11,000 meters deep.
What is the Mariana Trench?
Ocean _________ affect where ocean plants and animals live, and the movement of ships around the world.
What are currents?
These INCREASE as you go deeper into the ocean. (Must have BOTH answers)
What are pressure and salinity?
This organism is important because it provides food and oxygen for many ocean animals.
What is phytoplankton?
Chains of huge ocean floor mountains, created by earthquakes and volcanoes at divergent boundaries.
What are Mid-Ocean Ridges?
Undersea mountains that are formed by erupting volcanoes.
What are seamounts?
Particles of a wave move in this direction.
What is up and down?
What is the hadal zone?
The ocean that borders the east coast of North America.
What is the Atlantic Ocean?
This begins at the edge of the continental shelf and plummets down to depths of over 2-3 kilometers. It is also known as the "drop off"
What is the continental slope?
The flat bottom of the ocean floor.
What is the abyssal plain?
These are the three basic motions of ocean water.
What are waves, tides, and currents?
The type of water that would have the greatest density. (warm/cold & fresh water/salt water)
What is cold, salty water?
The name of the current that is off the coast of Virginia.
What is the Gulf Stream?
Steep-sided valleys at the center of a mid-ocean ridge.
What is a rift?
Islands that have been eroded by waves and have sunk below the water level again.
What are guyots?
These are the four parts of a wave.
What are crest, trough, wavelength, and height?
The five zones of the ocean in order from top to bottom.
What are sunlight, twilight, midnight, abyssal, and hadal?
The name for how salty water is.
What is salinity?