WorksheetsOceans
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
The total amount of dissolved salts in a sample of water is its
a)
strength
b)
salinity
c)
pressure
d)
effect
2.
Surface currents are caused mainly by
a)
prevailing winds
b)
tsunamis
c)
earthquakes
d)
upwelling
3.
The ______________ ocean is the largest ocean.
a)
Indian
b)
Atlantic
c)
Pacific
d)
Artic
4.
The Arctic ocean is the ______________ ocean on Earth.
a)
largest
b)
warmest
c)
fishiest
d)
smallest
5.
Deep ocean currents are ___________.
a)
light
b)
mythical
c)
warm
d)
cold
6.
A factor that affects the density of ocean currents is
a)
salinity
b)
time
c)
atmosphere
d)
eclipses
7.
A ___________________ is an underwater vehicle built of materials that resist pressure.
a)
gyre
b)
submersible
c)
zone
d)
seamount
8.
_____________________ brings up tiny ocean organisms and nutrients from the deeper layers of the water.
a)
Earthquakes
b)
Tsunamis
c)
Upwelling
d)
Trenches
9.
Currents affect climate by cooling or warming the _________________ above it.
a)
sun
b)
shelf
c)
plain
d)
atmosphere
10.
There are _______________ oceans in the world.
a)
five
b)
three
c)
ten
d)
two
11.
A factor that affects the density of ocean currents is
a)
fish
b)
nutrients
c)
temperature
d)
minerals
12.
The largest surface current in North America is the ____________________.
a)
West Wind Drift
b)
California Current
c)
Peru Current
d)
Gulf Stream
13.
The world's oceans have __________% dissolved salts.
a)
5.3
b)
50
c)
3.5
d)
25
14.
The ________________ Ocean is the warmest ocean on Earth.
a)
Indian
b)
Pacific
c)
Atlantic
d)
Arctic
15.
The Coriolis Effect causes currents in the Northern Hemisphere to rotate
a)
clockwise
b)
counter clockwise
100 %
