Oceanography 24

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Oceanography 24 25
Ocean Zones Tides Ocean Water Elements Grab bag
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500 500 500 500 500
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The bottom region of the ocean
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3
Benthic Zone
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4
The movement of deep, cold, and nutrient-rich
water to the surface
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5
Upwelling
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6
The region of an ocean or body of fresh water
above the benthic zone.
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7
Pelagic Zone
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8
All organisms that swim actively in open water,
independent of currents
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9
nekton
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10
Organisms that live at the bottom of the ocean
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11
Benthos
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12
Movement of water toward and away from the coast
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13
Tidal Current
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14
Tide that occurs during the full moon and new moon
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15
Spring Tide
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16
The difference in levels of ocean water at high
tide and low tide
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17
Tidal Range
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18
Tide that occurs during the 1st quarter and 3rd
quarter phases of the moon
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Neap Tide
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20
Slow, rocking motion of ocean water due to tidal
bulges moving around the ocean basins
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21
Tidal Oscillations
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22
A measure of the amount of dissolved salts in a
given liquid
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23
Salinity
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24
The ratio of the mass of a substance to the
volume of the substance
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25
Density
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26
The curving of the paths of ocean currents and
winds due to Earths rotation is called the
_________
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27
Coriolis Effect
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28
A layer in a body of water in which water
temperature drops with increased depth faster
than it does in other layers
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29
Thermocline
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30
A floating layer of sea ice that completely
covers and area of the ocean surface
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31
Pack Ice
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32
The force that causes tides is _____________
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33
Gravity
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34
Waves strike the coastline head-on instead of at
an angle as a result of ________
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35
Refraction
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36
Gases dissolve most reading in what kind of
water?
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37
Cold ocean water
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38
Trace elements in the ocean are those minerals
that are __________ in amount
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39
Smallest
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40
The 2 main gases dissolved in ocean water are
___________ and ________________
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41
Nitrogen and oxygen
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42
The distance the wind blows across and area of
the sea to generate waves is known as _________
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43
Fetch
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44
2 identical points on consecutive waves pass a
given point in one __________
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45
Wave Period
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46
Raising aquatic plants and animals for human
consumption is called ___________
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47
Aquaculture
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48
The ocean zone that receives the most solar
energy and is home to the most diverse ocean life
forms is the ______
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49
Pelagic Zone
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50
Deep currents are caused by differences in
_____________
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51
Density of ocean water
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