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Chapter 8.1
science
| Question | Answer |
|---|---|
| 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 |
| a feature on the ocean floor | abyssal plains |
| water in the oceans | seawater |
| refers to dissolved salt content | salinity |
| the continental shelf, continental slope, and the continental rise are regions of the continental | plains |
| the large flat areas of the seafloor that extends across the deepest parts of the ocean basin are | abyssal plains |
| what is the term for an unscrewed submersible used to explore the seafloor | ROV |
| which zone doesn't receive any sunlight | deep zone |
| what happens to density as the depth increases in the oceans | it increases |
| salt water mixed with freshwater is | brackish water |
| the five oceans are the Antarctic, pacific, Atlantic, Indian, and the southern | false |
| Salinity is a measure of mass of dissolved solids in a mass of water | True |
| a salinity of 35 parts per thousand means that if you measured 1,000 g of seawater, 1,000 g would not be water molecules and 35g would be salts | false |
| The salinity of seawater is not constant | true |
| Brackish water is polluted water mixed with seawater | false |
| the _______ zone has an average depth of 100m. | surface |
| the surface zone receives the ____ sunlight | most |
| the ______ zone extends from an average depth of 100m to 1,000m. | middle |
| the middle zone receives ____ sunlight . | some |
| the ____ zone extends below a depth of 1000 | deep |
| the deep zone receives __ sunlight | no |
| The continental margins include the continental _____, the continental slope, and the continental rise. | shelf |