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Science-Oceanography
Science Chapter 3 test
| Question | Answer |
|---|---|
| 5 Oceans by decreasing size | Pacific, Atlantic, Indian, Southern, Artic |
| Each year, the Atlantic Ocean... | gets wider |
| Each year, the Pacific Ocean... | gets smaller |
| Ocean water's most abundant salt is? | NaCl- Sodium Chloride |
| Measures the amount of dissolved salt in a liquid | Salinity |
| a body of water famous for high salinity | The Dead Sea |
| Salt in the ocean came from... | Run off pushing minerals into the ocean |
| How does the pressure change as you go deeper in the ocean? | The further down the pressure goes up |
| Why do hot, dry coastal waters have a higher salinity than cool, humid climates | When the water evaporates it leaves the salt behind |
| What causes water to evaporate from the ocean? | The sun |
| How does the ocean help regulate temperatures in the atmosphere? | absorbs and releases heat |
| Three methods for studing the ocean floor are... | SONAR, Satellite, Vessels |
| SONAR works by... | sound waves bouce off sea floor and return |
| The gently sloping area attached to a continent is the... | Continental Shelf |
| The steeply sloping area between the continental shelf and the ocean floor is the... | Continental Slope |
| An underwater mountain formed by volcanoes is a... | Sea Mount |
| Deep, Flat areas of the ocean floor are called... | Abyssal Plain |
| Plates at mid-ocean ridges are.. | Moving apart |
| Plates at ocean trenches are... | Colliding |