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Earth's Waters
chp 5 Ocean Zones
13
Science
8th Grade
10/29/2008

Additional Science Flashcards

 


 

Cards

Term

 

 

SONAR

Definition

system that uses sound waves to calculate distance to an object

 

sound

navigation

and

ranging

Term

 

continental shelf

 

Definition

 

 

gently sloping shallow area of the ocean floor

Term

 

 continental slope

Definition

 

steep incline leading down from continental shelf

Term

 

 

trench

Definition

 

deep canyon in ocean floor

Term

 

plates

Definition

 

one of major pieces that make up the Earth's upper layer

Term

 

magma

Definition

 

hot, liquid that makes up part of Earth's mantle

Term

 

 

mid-ocean ridge

Definition

 

continous range of mountains on ocean floor

Term
aquaculture
Definition

 

 

farming of saltwater & freshwater organisms (fish, oysters, etc)

Term

 

 

intertidal zone

Definition
area that stretches from highest high tide line on land out to lowest low tide line on continental shelf
Term

 

 

plankton

Definition

 

 

tiny algae & animals that float in water

Term

 

 

estuary

Definition

 

coastal inlet or bay where fresh water mixes with salt water

Term

 

 

seamount

Definition

 

mountain on the ocean floor that is completely underwater

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