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Oceans
N/A
21
Science
5th Grade
09/24/2010

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Cards

Term
trough
Definition
lowest part of a wave
Term
crest
Definition
highest part of a wave
Term
breaker
Definition
top of the wave that curls over
Term
currents
Definition
move heat and water around the earth
Term
horizontal currents
Definition
type of current caused by wind
Term
vertical currents
Definition
type of currents caused by when cold and hot water meet deep in the ocean
Term
waves
Definition
up and down movement of water
Term
tides
Definition
regular rise and fall of the water level caused by the gravitational pull of the moon
Term
continental shelf
Definition
underwater part of the continent covered by shallow water
Term
continental slope
Definition
steep slope at the end of the continental shelf
Term
ocean basin
Definition
large underwater area between continents
Term
barrier island
Definition
island just off of the mainland
Term
trench
Definition
long, narrow valleys on the ocean floor; deepest part
Term
abyssal plain
Definition
wide, flat area on the ocean floor
Term
guyot
Definition
a flat surfaced seamount
Term
mid-ocean ridge
Definition
underwater mountain ranges
Term
seamount
Definition
underwater mountain
Term
island
Definition
seamount that has broken through the surface of the water
Term
themeral vents
Definition
hot water from inside the earth; hotspots
Term
sonar
Definition
method used to determine the depths of the ocean
Term
oceanography
Definition
study of the seas and oceans
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