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Oceans
5th grade
Term | Definition |
---|---|
plankton | tiny free-floating organisms that live in water |
zoo plankton | animal-like plankton |
phytoplankton | plant-like plankton |
Gulf Stream | ocean current off the east coast of the United States |
waves, tides, and currents | the three basic motions of ocean water |
salinity | the amount of sodium chloride (salt) found in ocean water |
continental shelf | the feature of the ocean floor that is between the shore line and the continental slope |
ocean trench | a deep, narrow valley found on the ocean floor |
abyssal plain | flat, deep feature of the ocean floor |
tides | the rise and fall of the surface level of the ocean caused by the gravitational pull of the moon |