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Earth Science Gr7
Chapter 16
| Question | Answer |
|---|---|
| salinity | a measure of the mass of dissolved salts in a mass of water |
| seawater | water from a sea or ocean that has an average salinity of 35ppt, |
| brackish water | a mix of freshwater and sea-water |
| abyssal plain | large, flat areas of the seafloor that extend across the deepest parts of ocean basins |
| tsunami | a wave that forms when an ocean disturbance suddenly moves a large volume of water |
| sea level | the average level of the ocean's surface at any given time |
| tide | the periodic rise and fall of the ocean's surface caused by the gravitational force between Earth and the Moon, and between Earth and the Sun |
| tidal range | the difference in water level between a high tide and a low tide |
| spring tide | the greatest tidal range that occurs when Earth, the Moon, and the Sun form a straight line |
| neap tide | the lowest tidal range that occurs when Earth, the Moon, and the Sun form a right angle |
| ocean current | a large volume of water glowing in a certain direction |
| gyre | a large circular system of ocean currents |
| Coriolis effect | the movement of wind and water to the right or left that is caused by Earth's rotation |
| upwelling | the vertical movement of water toward the ocean's surface |
| marine | a term that refers to anything related to the oceans |
| harmful algai bloom | rapid growth of algae that harms organisms |
| coral bleaching | the loss of color in corals that occurs when stressed corals expel the colorful algae that live in them |
Created by:
carriel
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