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ch 8.3 home-work
Ocean Currents
| 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 effect 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 current... | 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 |
| A _____ current is a large body of water flowing in a certain direction. | Ocean current |
| Surface currents are caused by ______ from wind. | Friction |
| Surface currents move water ______ and extend to about 400 m below the surface. | Horizontally |
| A ______ is a circular system of currents. | Gyre |
| The _____ is the movement of water to the right or left and is caused by Earth's rotation. | Coriolis effect |
| The vertical movement of water towards the ocean's surface is an ______. | Upwelling |
| The vertical movement of water from the surface to deeper parts of the ocean is a ______ current. | Density |