Chapter 23

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Chapter 23 24 Review Game
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Question 1

• What describes a system that uses acoustic
  signals and returned echoes to determine the
  location of objects
• Sonar

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Question 2

• What are the two major areas the ocean floor can
  be divided into?
• Continental margins and deep-ocean basins

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Question 3

• What is the shallow sea floor that is located
  between the shoreline and the deep-ocean bottom?
• Continental margin

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Question 4

• What is the part of the ocean floor that is under
  deep water beyond the continental margin?
• Deep-ocean basin

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Question 5

• Name 4 features characteristic of continental
  margins.
• Continental shelf, continental slope, continental
  rise, submarine canyons, turbidity currents

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Question 6

• Name at least 4 features characteristic of a
  deep-ocean basin.
• Trenches, abyssal plains, mid-ocean ridges,
  abyssal hills, seamounts, guyots, atolls

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Question 7

• What are continental shelves and slopes often
  covered with?
• Sediments

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Question 8

• Sediments, rocks, soil, snow that are often
  collected from the deep-ocean basin by drilling
  are called what?
• Core Samples

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Question 9

• What are lumps of minerals that are made of
  oxides of manganese, iron, copper, or nickel that
  is scattered in groups on the ocean floor?
• Nodules

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Question 10

• What are the two main gases dissolved in ocean
  water?
• Nitrogen and oxygen (same as atmosphere)

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Question 11

• Gases dissolve more readily in cold water or warm
  water?
• Cold water

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Question 12

• The largest and deepest ocean on earth is
• The Pacific

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Question 13

• Whats the difference between and ocean and a
  sea?
• A sea is partially covered by land

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Question 14

• What is oceanography?
• The study of the ocean and its properties

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Question 15

• Which of the following are factors that affect
  the salinity of ocean water? (There are two)
• Density
• Light
• Energy
• Chemicals
• Temperature
• Density and temperature

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Question 16

• What is the process of removing salt from ocean
  water?
• Desalination

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Question 17

• What is a layer of body of water in which water
  temperature drops with increased depth faster
  than it does in other layers
• Thermocline

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Question 18

• The movement of deep, cold, nutrient-rich water
  to the surface is called..
• Upwelling

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Question 19

• The raising of aquatic plants for human use or
  consumption is called
• aquaculture

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Question 20

• If sonar is used to measure the depth in a
  particular area of the ocean and the time it took
  for the waves to hit the ocean floor and then the
  surface of the ocean was 3.9 seconds and the
  speed is 1400 ft/sec, what is the depth.
• 700 ft/sec x (3.9 sec) 2730 ft

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Question 21

• What is the density of oxygen gas if 0.369 g
  occupies a volume of 567 mL?
• 0.369 g / 567 mL 6.51 g/mL
• Dont forget your units!!!

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Question 22

• A Sample of wood has the dimensions of 5cm x 3cm
  x 4 cm. If the mass of the wood is 456 g, what
  is the density of wood?
• (5cm x 3cm x 4cm) 60 cm3
• 456 / 60 cm3 7.6 g / cm3

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Know the definitions of these features

• Continental shelf
• Continental rise
• Turbidity currents
• Trenches
• Abyssal plains

• Atolls
• Seamounts
• Guyots
• Abyssal hills
• Mid-ocean ridges