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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 |