Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
salinity
|
the total amount of dissolved salts in a sample of water
|
|
|
sonar
|
SOund NAvigation and Ranging
|
|
|
seamount
|
a volcanic mountain rising from the ocean floor that doesn't reach the surface
|
|
|
trench
|
a long deep valley on the ocean floor through which old ocean floor sinks back toward the mantle
|
|
|
continental slope
|
the steep edge of the continental shelf
|
|
|
continental shelf
|
a gently sloping, shallow area that extends outward from the edge of each continent.
|
|
|
abyssal plain
|
a broad area covered with thick layers of mud and silt
|
|
|
Mid-ocean ridges
|
long chains of mountains on the ocean floors
|
|
|
wave
|
the movement of energy through a body of water
|
|
|
longshore drift
|
a movement of sand across the beach
|
|
|
rip current
|
a rush of water that flows rapidly back to sea through a narrow opening
|
|
|
groin
|
a wall of rocks or concrete that can reduce beach erosion
|
|
|
intertidal zone
|
begins at the highest high-tide line on land
|
|
|
neritic zone
|
extends from the low-tide line out to the edge of the continental shelf
|
|
|
open-ocean zone
|
it lies beyond the edge o the continental shelf
|
|
|
plankton
|
tiny algae and animals that float in the water and are carried by waves and currents
|
|
|
nekton
|
free-swimming animals that can move throughout the water column
|
|
|
benthos
|
organisms that inhabit the ocean floor
|
|
|
food web
|
made up of all the feeding relationships that exist
|
