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Oceans GJ
Sixth Grade Science
| Question | Answer |
|---|---|
| Salinity | measure of the amount of dissolved salt in a liquid |
| Water cycle | continuous movement of water between atmosphere and earth. |
| Continental shelf | gently sloping section of the continental margin at the shoreline |
| continental slope | steeply inclined section of the conitinental margin |
| mid ocean ridge | undersea mountain chain on the floor of ocean |
| abyssal plain | flat almost level area of the deep ocean basin |
| rift valley | narrow valley that forms as plates separate |
| ocean trenches | narrow and steep crack or depression on the ocean floor that can be miles deep. |
| Seamount | submerged mountain on the ocean floor with a volcanic origin. |
| marine | having to do with the ocean, name of divion of armed services |
| Arctic | the smallest ocean |
| Pacific | the largest ocean |
| Atlantic | the ocean that borders Georgia |
| sonar | the pulsating of sound waves in order to determine the depth of the ocean. |
| subduction | when one plate sinks under another plate |
| surface zone | zone of the ocean that is on the top and gets the most sunlight |
| ocean currents | movement of water that a follows a regular pattern |
| surface currents | horizontal movement of water at or near the surface of the ocean. |
| Coriolis effect | curving of the path of a moving object away from it's original path |
| deep currents | movements of the ocean water far below the surface |
| upwelling | when cold deep water replaces warm surface water |
| ELNino | periodic change in the location of warm and cool surface waters. |
| LaNina | surface water temperatures in eastern pacific become very cool. |
| crest | the top of the wave |
| trough | the bottom of the wave |
| wave length | the distance from the top of one wave to the top of another wave. |
| Wave height | distance between the crest and the trough |
| wave | disturbance that carries energy through matter or water. |
| White caps | bubbles in the crest of a breaking wave |
| under tow | the strong current under the water |
| swells | ocean wave in deep water that has traveled a great distance. |
| Storm surge | local rise in sea level near the shore that causes strong winds. |
| tsunami | giant ocean wave that forms after volcanic action |
| tides | daily changes in the level of the ocean water, usually every 12 hours. |
| Spring tide | the highest and lowest of the tides where the sun, moon and earth are lined up. |
| Neap tide | the tides of minimal size where the sun, moon and earth are at a 90 degree angle. |
| Tidal range | difference in levels of ocean water at high and low tides. |
Created by:
finetuning
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