Chapter 14, Section 1 - Currents
Directions: Answer the following in complete sentences.
1. Oceans contain stream like movements of water known as ______.
2.What are three factors that influence currents?
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2.______
3.______
3. What theory was Heyerdahl trying to prove by sailing the Kon-Tiki?
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4. Horizontal movements of water that are caused by wind and occur at or near the ocean’s surface are called ______.
5.Compare the directions in which surface currents flow near the poles and near the equator.
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6. Why do wind and surface currents appear to move in curved paths?
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7.Explain the Coriolis Effect.
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8. What happens when a surface current meets a continent?
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9. Where do cold-water and warm-water currents begin?
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Match the correct description with the correct term. Write the letter in the space provided.
_____10. a stream like movement of ocean water located far below the surface
_____11. the amount of matter in a given space, or volume
_____12. a measure of the amount of dissolved salts or solids in a liquid
_____13. a process which removes water but leaves solids behind
14. In Polar Regions, what happens to water molecules at the ocean’s surface?
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15. Why does ocean water that is covered by ice increase in density?
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16.Why does evaporation increase the density of ocean water?
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17.Which is usually colder, a deep current or a surface current?
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18.Which usually has greater salinity, a deep current or a surface current?
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Summary
Write a detailed summary comparing and contrasting both surface currents and deep currents. Make sure to include an explanation of the factors which control each current. Include the following vocabulary and underline: Global winds, continental deflection, Coriolis Effect, surface current, deep current, density, temperature, salinity
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