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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 |