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Chapter 8.3
| Question | Answer |
|---|---|
| The surface currents in each ocean form (circular system of currents). | Gyre |
| An (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 that is caused by Earth's rotation), ocean currents flow counterclockwise in the southern hemisphere and clockwise in the northern hemisphere. | Coriolis effect |
| An ____ _____ is a large volume of water flowing in a certain direction. | Ocean current |
| Surface currents are caused by ________ from the wind. | Friction |
| Surface currents move water _____ and extend to about 400 m below the surface. | Horizontally |
| A ____ is a circular system of currents. (short) | Gyre (short) |
| Earth's _______ causes the Coriolis Effect, which influences the direction that ocean currents flow. | Rotation |
| ______ move water vertically toward the ocean's surface. (Short) | Upwelling (Short) |
| Density currents are caused by density changes, which are brought on by changes in temperature or _______. | Salinity |
| The oceans are the major source of moisture for _____________. | The Water Cycle |
| The Great Ocean Conveyor Belt is a model used to explain how ocean currents circulate _____ _____ around Earth. | Thermal energy |
| Ocean currents affect weather and climate by redistributing ______ energy. | Thermal |
| What creates ocean currents? | Solar energy, wind, Coriolis Effect, Earth's rotation, salinity |
| What affects the size of a gyre? | Shapes of landmasses |
| What is the difference between upwelling and density currents? | Upwelling brings water toward the ocean's surface, and density currents take water away from the surface. |
| Where does upwelling occur in the model? | Upwellings in the Pacific and Indian Oceans eventually bring this deep, cold water to the surface where it is warmed by the sun through convection. |
| What is a gyre? | Circular system of currents |
| What forms gyres in each ocean? | Currents going in circles (Coriolis Effect) |
| How are gyres in the northern hemisphere and the southern hemisphere different? | The northern hemisphere gyres move clockeise. Southern hemisphere gyres move counterclockwise. & Temperature. |
| Write a definition of Coriolis Effect. | The movement of wind & water to the right or left that isc aused by Earth's rotation. |
| List 3 factors that affect the flow of Surface Currents. | Wind, Coriolis Effect, Topography |
| True/False: An upwelling is caused as the surface water moves away from shore and deeper water from below rises to replace it. | True |
| Water brought to the surface from deeper water is ____ and nutrient-poor. | Cold |
| Cold water is ____ dense than warm water. | More |
| Salty water sinks below water that is ____ salty. | Less |
| _______ currents circulate nutrient- and gas-rich water through the ocean. | Density |
Created by:
minormal1299