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WorksheetsU1 - Intro to Oceanography
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is the salinity of ocean water in parts per thousand(ppt)?
a)
15 ppt
b)
35 ppt
c)
50 ppt
d)
20 ppt
2.
What is the pH of the ocean?
a)
6 acidic
b)
7 neutral
c)
8 basic
d)
10 basic
3.
What is one thing that stabilizes and neutralizes the ocean pH?
a)
calcium carbonate
b)
currents
c)
tides
d)
people swimming in the ocean
4.
What is the main cause of tides?
a)
currents
b)
wind
c)
gravity of the moon
d)
tsunamis
5.
What is a loop of surface currents called?
a)
a gyre
b)
a merry-go-round
c)
a cyclone
d)
a water wheel
6.
Which of the following is NOT a source of dissolved oxygen in ocean waters?
a)
wind
b)
plants
c)
waves
d)
currents
7.
What is the photic zone in the ocean?
a)
where light doesn't penetrate
b)
the areas scientists haven't explored yet
c)
where the light penetrates
d)
the area where most ocean creatures are found
8.
True or False: In areas that have upwelling, fishing is very popular.
a)
True
b)
False
9.
Which of the following is the first color to be "lost" underwater? (and is no longer visible)
a)
orange
b)
red
c)
violet
d)
green
10.
What can sand be made of?
a)
volcanic rock
b)
coral and sea shells
c)
plastic
d)
all of the above
11.
If you are 40 meters underwater, how much pressure is pushing down on you?
a)
5 atmospheres
b)
50 atmospheres
c)
4 atmospheres
d)
40 atmospheres
12.
True or False: Tsunamis are caused by the wind.
a)
True
b)
False
13.
Deepwater currents are ______ in temperature.
a)
Warm
b)
Hot
c)
Cold
d)
Constantly changing
14.
This picture features which of the following ocean features?
a)
Seamount
b)
Abyssal Plain
c)
Mid-ocean Ridge
d)
Island
15.
What does ROV stand for?
a)
Research Obeliscolychny Vehicle
b)
Remotely Operated Underwater Vehicle
c)
Radiogoniometer Obvallata Vehicle
d)
Remote-controlled Oecodomic Vehicle
16.
What can an ROV be compared to?
a)
submarine
b)
remote control car with a cord
c)
remote control car with NO cord
d)
an island
17.
What colors are the fish that are found in the aphotic zone?
a)
white
b)
orange and yellow
c)
green and blue
d)
red, black, and clear
18.
What is tidal range?
a)
how high the tide goes
b)
the area on the beach from highest tide to lowest tide
c)
from crest to crest
d)
a shooting range on the beach
19.
What word would scientists use to describe this water?
a)
turbid
b)
muddy
c)
gross
d)
clear
20.
A tsunami is best described as...
a)
a giant wave
b)
a tidal wave
c)
a series of waves
d)
some great surfing conditions
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