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science study
| Question | Answer |
|---|---|
| A water molecule has how many - and + molecules? | 2 + and 1 - |
| List 5 ways waster is a unique compound | Exists as liquid , solid, and gas forms drops because of strong forces between water molecules High specific heat The solid flouts in the liquid Desolves different substances |
| A condition in which (1)_____ ends of a molecule have slightly opposite charges, but the overall charge of the molecule is (2) ____. | (1) opposite (2)neutral |
| The (1)____ oxygen atom of one molecule attractant (2)______ hydrogen atoms of other water molecules And produces an attractive force between water molecules. | (1)- charge (2) + charge |
| What tipe of sodium atoms r a traced to , what tipe of oxygen atoms of water | + - |
| cohesion | Attraction among molecules that r alike |
| Adhesion | Attraction among molecules that aren't alike |
| Density of fresh water is ____ at 4C | Greatest |
| Which of the 5 oceans is the largest and the deapest | Pacific ocean |
| Which 2 oceans r partly cover in ice | Southern sea Arctic sea |
| Seawater | Water from sea or ocean that has an a drag Sali it of 35 parts per thousands (ppt) |
| Brackish water | Freshwater mixed with seawater.* where rivers meet oceans , Mississippi meets the gulf of Mexico |
| 4 things u need to classify ocean zones | Sunlight, temperature,salinity, dencity |
| Continental margins | Extended from the shoreline to deep ocean 3 regions Continental shelf Continental slope Continental rise |
| Abyss all plains | Large flat areas of the seafloor that extends across the deepest parts of the ocean basins |
| Mid-century ridges | Place on the seafloor where tectonic plates pull apart, volcanic mountains form here |
| Ocean trenches | Deepist part of the ocean o. Ave rig 4,000m |
| Surface zone | Receives most amount of sunlight , most organisms live hefe |
| Middle zone | Gets faint blue green light |
| Deep zone | No plant life Mostly no light Most animals produce own light |
| Temperature for tropical regions | Depth ⬆temperature⬇ |
| Temperature for temperate regions | Depth⬆temperature⬇ |
| Temperature polar regions | Depth⬆temperature stays the same |
| Salinity for tropical regions | Depth⬆salinity⬇ |
| Salinity for temperate regions | Depth⬆salinity⬇ |
| Salinity for polar regions | Depth⬆salinity⬆ |
| Density for tropical regions | Depth⬆ density⬆ |
| Density for temperate regions | Depth⬆density⬆ |
| Density for polar regions | Density remains farley constant |
| What does the sun do to the ocean water | Evaporates the water Leaving only the salt |
| What 2 things cause ocean currents ? | Wind , amount of salt |
| What dose warm air hold more of than warm water? | Heat |
| What is a river running game through the ocean ? | Current |
| Very salty water is ______ than not so salty water | Heavier |
| What tipe of current is the thermohaline current? | Warm salty water |
| Fish depend on ______ | Moving / currents |
| Why r the rivers not salty? | Because the minirals in the water go to the oceans |
| The amount of what has changed in the oceans ? | Salt |
| What plant is the only one withe life do to oceans | Earth |
Created by:
eavk
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