ocean water study guide. draw the shape of the ocean floor and describe the following features:...
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![Page 1: OCEAN WATER STUDY GUIDE. Draw the shape of the ocean floor and describe the following features: Trench Continental shelf Island Mid- Ocean Ridge Abyssal](https://reader036.vdocument.in/reader036/viewer/2022070409/56649e845503460f94b8552b/html5/thumbnails/1.jpg)
OCEAN WATER
STUDY GUIDE
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Draw the shape of the ocean floor and describe the following features:
Trench
Continental shelf
Island
Mid-OceanRidgeAbyssal
Plain
Seamounts
Continental slope
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2. Which ocean floor feature passes across Earth’s entire ocean floor?
Abyssal Plain
Which ocean floor feature would receive the most amount of pressure?
Trench
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3. What happens to pressure as you go deeper into the ocean?
It increases
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4. What happens to temperature as you go deeper into the ocean?
It decreases
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5. What happens to density and salinity as you go deeper into the ocean?
They increase!
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6. What is salinity?
The amount of dissolved salts in the water
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7. When a fresh water source meets a salt water source, what happens to the salinity? Give an example.
The salinity decreasesA RIVER flowing into an
OCEAN
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8. Where would the salinity of ocean water be the highest?
The POLES (freezing)North Pole & South Pole
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9. How do elements which combine to form salt get into Earth’s oceans?
Through the processes of WEATHERING & EROSION
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10. What causes waves?
ENERGY from the WIND
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11. How could you model a wave?
Blowing your soup or cup of hot cocoa
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12. What causes tides?
The interaction of the Earth, Sun, & Moon.
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13. How many hours are between a high or low tide and the next high or low tide?
12 HOURS
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14. If a high tide occurs at 11am, when will the next high tide occur?
11PM
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15. What has the most influence on tides?
The gravitational pull of the MOON!
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16. Illustrate/Explain the arrangement (position) of the sun, Earth and moon at a neap tide and spring tide.
Neap Tide Spring Tide
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17. What is a current?
A large stream of moving water that flows through the ocean
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18. How are surface currents similar to waves?
Both are caused by the ENERGY of WIND!
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19. What is the Coriolis Effect and what impact does it have on ocean currents?
The way Earth’s rotation makes winds in the Northern Hemisphere curve to the right & winds in the Southern Hemisphere curve to the left.
It also causes the currents to curve right or left in the 2 hemispheres
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20. What causes deep ocean currents?
Differences in Density
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21. Why do deep ocean currents flow more slowly than surface currents?
Because of an increase in density & salinity found on the ocean floor.
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22. Why do currents curve in the Northern Hemisphere?
Due to the Coriolis Effect!
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Day Time Tide Height
(meters)
Time Tide Height
(meters)
Time Tide Height
(meters)
Time Tide Height
(meters) Saturday 1:00 PM 1.5 7:00PM 0.5 1:00AM 1.4 7:00AM 0.2 Sunday 2:20 PM 1.7 7:58PM 0.6 2:45AM 1.5 8:29 AM 0.1 Monday 3:00AM 1.9 9:09AM 0.6 3:15PM 1.8 8:52PM 0.3
23. How many low tides occurred on Saturday? ____ How many High Tides? _____ 24. If high tide occurred at 3:00 A.M on Monday, what time did the next high tide occur?
25. At what time(s) did high tide occur on Sunday?
22
3:15PM
2:20PM and 2:45AM