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Oceanography Flashcards | StudBud
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Oceanography
Oceanography
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oceanography
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
What word would be used to define how deep the ocean is?
yard
depth
feet
distance
2
Ocean water is a mixture of gases and dissolved solids. What is MOST abundant dissolved solid?
silver
oil
salt
platinum
3
What happens to ocean water as the depth increases?
temperature decreases, pressure increases, light decreases
temperature decreases, pressure decreases, light increases
4
What word is used to describe how much salt is in a sample of water?
salinity
current
tides
depth
5
The ocean floor...
has mountains, plains, and ridges like land surfaces
is covered by the same amount of water everywhere
is always a flat bed of sand
covers less area than the land
6
What are three things are movements of ocean water?
currents, tides, and waves
wind, water temp, and salinity
7
About how much of the Earth's surface is covered with ocean water?
70%
60%
51%
100%
8
What are three things influence where organisms live in the ocean?
temp, pressure, light
salinity, density, latitude
currents, tides, longitude
temp, latitude, currents
9
If all phytoplankton died, the other sea animals would...
eat more zooplankton
eat larger animals
reproduce faster
eventually die also
10
What causes the waves in the ocean?
sand
animals
wind
sun
11
Which of the following helps to regulate temp around the Earth?
sun shines more on the western hemisphere
western side of the ocean becomes deeper
ocean currents transport warm water from the Equator to pole
currents transport rainwater to 7 continent around the world
12
The flat, deep ocean floor is called...
abyssal plain
continental rise
mountain ranges
continental slope
13
You're at the beach and you're jumping in the waves, what part of the ocean are you standing on
abyssal plain
continental rise
continental shelf
trench
14
What are three things that power ocean currents?
wind, water temp, and salinity
currents, tides, and waves
15
How does the depth of the ocean affect how much light that part of the ocean receives?
ocean gets lighter as it gets deeper
no connection between depth and light in the ocean
the more shallow the ocean, the darker it appears
the deeper the ocean is, the darker is gets
16
The basic motions of the ocean are...
trade winds and hurricanes
tides, waves, and currents
17
Plantlike organism produces much of Earth's oxygen + serves as the base of the ocean ecosystem?
krill
trees
humans
phytoplankton
18
The main difference between ocean water and lake water is that ocean water contains...
salt
oxygen
plants
algae
19
Underwater mountains or volcanoes are called...
seamounts
shelf breaks
trenches
continental plains
20
What is a marine habitat?
ecosystems
Any saltwater area, such as a sea or an ocean
the land
21
The rise and fall in the level of the ocean along the shore is a...
tide
wave
ridge
wave
22
What is the deepest part of the ocean?
continental rise
continental shelf
trench
abyssal plain
