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8.1
oceans
| Question | Answer |
|---|---|
| a feature on the ocean floor | abyssal plain |
| water in the oceans | seawater |
| refers to dissolved salt content | salinity |
| chemical process in which light energy, water, and carbon dioxide are converted into sugar | photosynthesis |
| to operate with hands or by mechanical means in a skillful manner | manipulate |
| slightly salty | brackish |
| refers to anything related to oceans | marine |
| lowest tidal range | neap tide |
| vertical movement of water toward the ocean's surface | upwelling |
| the flowing of water in a certain direction | ocean current |
| difference in water level between high tide and low tide | tidal range |
| circular system of currents | gyre |
| average level of the ocean's surface at any given time | sea level |
| movement of wind and water caused by the earth's rotation | Coriolis effect |
| the continental shelf, continental slope, and continental rise are regions of the continental | plains |
| what is the term for an uncrewed submersible used to explore the seafloor | ROV |
| which zone does not receive any sunlight | deep zone |
| what happens to density as depth increases in oceans | it increases |
| an ocean trench forms where tectonic plates _____ | collide |
| a mid-ocean ridge forms where tectonic plates _______ | separate |
| the surface zone has an average depth of 100 m and receives _____ sunlight | the most |
| the middle zone extends from an average depth of 100 m to 1000 m and receives ______ sunlight | some |
| the deep zone extends below a depth of 1,000 m and receives ___ sunlight | no |
| in areas where tectonic plates collide, the seafloor has deep ______ | trenches |
| oceanographers use _______ to explore the seafloor | submersibles |
| two main types of resources on the seafloor are _____ and _____ resources | mineral, energy |