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8.3 science
| Question | Answer |
|---|---|
| The surface currents in each ocean form circular systems of currents | gyre |
| A large volume of water flowing in a certain direction can affect weather and climate | ocean current |
| Some currents move along the water's surface, and others are examples of vertical movement of water toward the ocean's surface | upwelling |
| Because of the movement of water to the right or left is caused by Earth's rotation, ocean currents flow counterclockwise in the southern hemisphere and clockwise in the northern hemisphere | Coriolis effect |
| Surface currents are caused by ______ from the wind | friction |
| Surface currents move water ________ and extend to about 400 m below the surface | horizontally |
| The vertical movement of water from the surface to deeper parts of the ocean is a _______ current | density |
| Density currents are caused by density changes, which are brought on by changes in temperature or ____ | salinity |
| The oceans are a major part of the ______ | water cycle |
| The Great Ocean Conveyor Belt is a medal used to explain how ocean currents circulate _______ around Earth | thermal energy |
| Ocean currents affect weather an _____ | climate |
| An ocean ____ is a large volume of water can move the water to form surface currents | current |
| Earth's _______ causes the Coriolis effect, which influences the direction that ocean currents flow | rotation |
| ________ moves water vertically from the surface to deeper parts of the ocean | Density currents |
| The oceans are the major source of moisture for ____________ | the water cycle |
| Ocean currents affect weather an climate by redistributing ____ energy | heat |
| Where does upwelling occur in the model? | In the Pacific and Indian Ocean |
| What is a gyre? | a circular system of currents |
| What forms gyres in each ocean? | Corlious Effect |
| How are gyres in the northern hemisphere and the southern hemisphere different? | Direction and Tempature |
| What do upwellings do? | brings water up |
| Density currents brings ______ | water down. |
| Water brought to the surface from deeper water is ___ and nutrient-poor. | cold |
| Cold water is ____ dense than warm water | more |
| Salty water ____ below water that is less salty | sinks |
Created by:
grahajor2154
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