NEW
Font size
S
M
L
XL
WorksheetsDynamic Planet Science Olympiad
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is the only part of the ocean floor without tectonic activity?
a)
continental slope
b)
continental margin
c)
seamount
d)
abyssal plain
2.
Why is there high salinity in the Mediterranean Ocean?
a)
precipitation
b)
evaporation
c)
volcanoes
d)
deposition
3.
Sea levels rise when glacial ice caps-
a)
grow
b)
melt
c)
migrate
d)
hit the Titanic
4.
Ocean currents are caused by-
a)
underwater earthquakes
b)
human influence
c)
sun moon and Earth interaction
d)
density differences
5.
Upwelling is most likely to occur in what area?
a)
in a deep sea trench
b)
in a shallow gulf
c)
along a coastline
d)
in open ocean
6.
Why does an ice shelf float?
a)
it is more dense
b)
it is less dense
c)
the ice is melting faster than it can sink
d)
vegetation is sinking below and causing it to float
7.
Seawater is typically denser than freshwater due to seawaters-
a)
greater depth
b)
smaller mass
c)
higher salinity
d)
lower freezing point
8.
Continental shorelines generally have a milder climate than locations inland at the same latitude due to-
a)
ocean water acting as a conductor of heat
b)
land is a greater storage of heat
c)
ocean water stores and releases heat more slowly than land
d)
land masses release hear slower than land
9.
What part of the ocean floor would be the most difficult to explore due to pressure?
a)
continental slope
b)
sea mount
c)
trench
d)
abyssal plain
10.
What sea floor feature is created by erosion and deposition?
a)
continental rise
b)
submarine canyon
c)
Marianas trench
d)
seamount
11.
What part of the ocean floor would be most affected by sea level change?
a)
abyssal plain
b)
continental shelf
c)
continental slope
d)
trench
12.
What major feature of the ocean floor circumnavigates the Earth?
a)
mid oceanic ridge
b)
continental slope
c)
trench
d)
sea mount
13.
A trench is formed at what zone?
a)
subduction
b)
divergent
c)
convergent
d)
strike-slip
14.
What first accurately mapped the ocean floor?
a)
The Spanish armada
b)
Chinese army
c)
Magellan
d)
sonar
15.
What is not a type of ocean pollution?
a)
oil spill
b)
non-point source pollution
c)
upwelling
d)
trash dumping
16.
An estuary is an area where-
a)
there is only fresh water
b)
there is only salt water
c)
pond water and river water mix
d)
fresh water and salt water mix
17.
The main difference between ocean water and lake water is that ocean water contains
a)
oxygen
b)
salt
c)
algae
d)
plants
18.
As you go deeper in the ocean, the _______ decreases.
a)
water
b)
salinity
c)
temperature
d)
water pressure
19.
What do the arrows represent in the picture?
a)
waves
b)
currents
c)
tides
20.
The Gulf Stream is
a)
a stream behind the school
b)
a current in the Atlantic Ocean that flows on the eastern coast of North America
c)
a boat
d)
part of the ocean floor
Reset
