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Earth Science Chapter 13 Flashcards | StudBud
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Earth Science Chapter 13
Earth Science Chapter 13
32 terms
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A #science game to review the #ocean
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
How were oceans formed according to the old-earth view?
none of these
a solar nebula
the Flood
plate tectonics
2
Which person will be designing ways to produce potable water?
physicist
marine engineer
marine biologist
chemist
3
What is the strip of land that separates coastal regions from the ocean?
longshore sandbar
beach
continental shelf
high tide
4
What are the average height of low and high tide used to determine?
Mean Sea Level
altitude
local sea level
elevation
5
How does the ocean gain minerals every day?
rain
rivers
marine animals
none of these
6
What is another name for the deep ocean floor?
abyssal plain
none of these
continental rise
continental shelf
7
What does sea water temperature depend on?
density
both 1 and 3
atmospheric temperature
sunlight absorbed
8
The width of the shore can vary.
True
False
9
How is pressure related to water depth?
they are equal at all times
none of these
decreases as depth increases
increases as depth increases
10
How could the Flood have added minerals to the ocean?
plate tectonics
earthquakes
reverse osmosis
erosion
11
What are the 2 most important chemicals in sea water?
carbon and sodium
sodium and chlorine
magnesium and chlorine
magnesium and sodium
12
What is the difference in the average speed of sound in seawater?
no difference
4.5 times faster
4 times faster
4.5 times slower
13
On what day of creation was a single super-continent created?
Day 3
Day 4
Day 1
Day 2
14
What is the major determining factor for the speed of sound in seawater?
none of these
density
temperature
salinity
15
The most abundant dissolved gas in ocean water is
carbon dioxide
nitrogen
hydrogen
oxygen
16
What was formed when the ocean crust was dragged along the continental crust?
canyons
seamounts
trenches
none of these
17
Where are ridges, valleys, and volcanoes found?
abyssal plain
continental rise
continental shelf
beach
18
What is used for desalinization?
high pressure chambers
mineral ions
water pipes
all of these
19
Where is the continental shelf almost non-existent?
polar region
east coast
west coast
southern coast
20
How do minerals leave saltwater?
animals use them to build skeletons
evaporation
mineral ions clumping fine sediment together
all of these
21
What is another name for the saltiness of the ocean?
acidity
salinity
density
none of these
22
What happens when seawater freezes?
it gets denser
none of these
it sinks
dissolved minerals are forced out
23
What is the topography and geologic features of the continental shelf similar to?
the desert
the continental rise
the adjacent land
the continental slope
24
What are found flowing through submarine canyons?
ocean rivers
none of these
turbidity currents
ocean streams
25
How are coral reefs formed?
they are man-made
none of these
corals secreting calcium carbonate
sodium chloride build up
26
What is continuously affected by tides, waves, and weather?
density
sea level
elevation
speed of sound
27
What is some seawater called brakish?
it has low-salinity
the minerals are concentrated
it contains mineral ions
none of these
28
Where are submarine canyons found?
none of these
continental slope
continental rise
continental shelf
29
Brakish water can be found upstream in rivers such as the Mississippi and the Nile.
False
True
30
What is the purpose of reverse osmosis?
to calculate salinity
none of these
to make water potable
to dilute seawater
31
Where does the beach end?
continental slope
none of these
at the longshore sandbar
low tide mark
32
Who studies plant and animal life in ocean environments?
meteorologists
chemists
marine biologists
oceanographers
